Database Develop

[MOD][Z2] MultiROM v33d

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MultiROM is a one-of-a-kind multi-boot mod. It can boot any Android ROM as well as other systems like Ubuntu Touch, once they are ported to that device. Besides booting from device's internal memory, MultiROM can boot from USB drive connected to the device via OTG cable. The main part of MultiROM is a boot manager, which appears every time your device starts and lets you choose ROM to boot. You can see how it looks on the left image below and in gallery. ROMs are installed and managed via modified TWRP recovery. You can use standard ZIP files to install secondary Android ROMs and MultiROM even has its own installer system, which can be used to ship other Linux-based systems.
Features:
* Multiboot any number of Android ROMs
* Restore nandroid backup as secondary ROM
* Boot from USB drive attached via OTG cable
You can also watch a video which shows it in action.​
WARNING
It is dangerous. This whole thing is basically one giant hack - none of these systems are made with multibooting in mind. It is no longer messing with data partition or boot sector, but it is possible that something goes wrong and you will have to flash factory images again. Make backups. Always.​
IMPORTANT
I'm not responsible for anything, you do all this on your own risk.
Once you have flashed and set up MultiROM, don't flash another boot.img using fastboot.
If you want to uninstall MultiROM, just flash the MultiROM uninstaller.
Your device must not be encrypted.
To all devs maintaing Stock-based ROMs: Feel free to use my patched stock kernels to add MultiROM support to your ROMs.
When booting another ROM, you'll notice that in some cases, you can enter the recovery of the boot.img of the ROM. Please don't use it, flash everything using MultiROM TWRP.
INSTALLATION
Install the MultiRom Manager app from the store and install the recovery and multirom.
Reboot into MultiROM TWRP and flash the MultiROM installer --> Sould be done automatically.
Make sure you are on a Rom compatible with one of these kernels and flash it
In order to boot a secondary rom you MUST enable the "kexec workaround" option in the MultiRom settings found in the recovery.
That's it. You can now go to "MultiROM menu" (Top right corner in the recovery) to start flashing other ROMs.
Alternative installation method (if installation via the above method fails)
Download the files named multirom-<date>.zip and recovery-<date>.img from here.
You should use md5sum to validate the downloaded files using the provided xyz.md5 files in the same download location.
Copy the files to the sdcard of your device.
Use "adb shell" to open a shell on the device and use "su" to obtain root rights (adb must be set up on your computer, instructions are found on xda).
Adjust the following command and enter it in the shell: "dd if=/sdcard/recovery-<date>.img of=/dev/block/platform/msm_sdcc.1/by-name/FOTAKernel"
Reboot into recovery (shutdown, then VolDown + Power).
Flash the multirom zip from the sdcard.
Enjoy.
Adding ROMs
Go to recovery, select "MultiROM menu" (Top right corner in the recovery) -> Add ROM. Select the ROM's zip file and confirm.​
Using USB drive
During installation, recovery lets you select install location. Plug in the USB drive, wait a while and press "refresh" so that it shows partitions on the USB drive. You just select the location (extX, NTFS and FAT32 partitions are supported) and proceed with the installation.
If you wanna use other than default FAT32 partition, just format it in PC. If you don't know how/don't know where to find out how, you probably should not try installing MultiROM.
If you are installing to NTFS or FAT32 partition, recovery asks you to set image size for all the partitions - this cannot be easilly changed afterward, so choose carefully. FAT32 is limited to maximum of 4095MB per image - it is limitation of the filesystem, I can do nothing about that.
Installation to USB drives takes a bit longer, because the flash drive is (usually) slower and it needs to create the images, so installation of Ubuntu to 4Gb image on my pretty fast USB drive takes about 20 minutes.
Enumerating USB drive can take a while in MultiROM menu, so when you press the "USB" button in MultiROM, wait a while (max. 30-45s) until it searches the USB drive. It does it by itself, no need to press something, just wait.​
Updating/changing ROMs
1. Primary ROM (Internal)
Flash ROM's ZIP file as usual, do factory reset if needed (it won't erase secondary ROMs)
Go to "MultiROM menu" (Top right corner in the recovery) in recovery and do Inject curr. boot sector. if it is not done directly during installation of the Rom.
2. Secondary Android ROMs
If you want to change the ROM, delete it and add new one. To update ROM, follow these steps:
Go to "MultiROM menu" (Top right corner in the recovery) -> List ROMs and select the ROM you want to update.
Select "Flash ZIP" and flash ROM's ZIP file.
Install a stock rom as secondary
This only works if you are using MultiRom version 33c or larger (excluding 33x-z).
1. Existing primary stock rom
Use these instructions if you plan to move an existing stock rom installed as primary. This guide assumes that multirom recovery is properly installed.
Shutdown the device.
Start the device into multirom recovery (VolDown + Power).
MAKE A BACKUP!
Go to "MultiROM menu" (Top right corner in the recovery) in recovery and tap "Swap roms".
Select the option "Copy primary rom to secondary/internal" and start the operation.
Wait until the operation finishes and flash your desired rom. (Alternatively you can also use any secondary rom to be the primary rom using the "Swap option" mentioned above.
Reboot.
2. Fresh stock installation
Use these instructions if you do not have a stock rom installed as primary. This guide assumes that multirom recovery is properly installed.
Shutdown the device.
Start the device into multirom recovery (VolDown + Power).
MAKE A BACKUP!
Install the stock rom via an install zip of via an FTF. NOTE: For the FTF method you need to shutdown the device and boot into download mode (VolDown pressed while connecting the USB cable; cable connected to the PC). Use for instance flashtool to flash ONLY the kernel, system, and cache image. In addition, you MUST select "Wipe apps_log"!
When the device reboots, let it boot up and finish the first time setup procedure.
Shutdown the device.
Start the device into multirom recovery (VolDown + Power).
Go to "MultiROM menu" (Top right corner in the recovery) in recovery and tap "Swap roms".
Select the option "Copy primary rom to secondary/internal" and start the operation.
Wait until the operation finishes and flash your desired rom. (Alternatively you can also use any secondary rom to be the primary rom using the "Swap option" mentioned above.
Reboot.
CHANGELOG
Code:
=== Version 33d (Bugfix release) ===
- Fix the apps_log issue for good (FINALLY).
- Support for LOS in combination with stock.
=== Version 33c ===
- Sync with XperiaMultiRom repository: cleaner implementation of some patches & extends the rom support w.r.t. old builds.
- Improved compatibility of custom N roms (AOSP init system) with stock roms: Allows to use stock roms as secondary rom.
- Bug fix: Set the version number in the Mrom binaries (for automatic updates).
=== Version 33b ===
- Small maintenance update to support "embedded/combined ramdisks" of secondary roms.
=== Version 33a ===
- Fixed booting Stock after starting secondary N rom.
=== Version 33z ===
- Fixed boot image injection of stock roms.
=== Version 33y ===
- New nokexec version 4 (previous: version 2).
- Support for AOSP 1.3.3 kernels (1.2.2 based kernels are also supported).
- Support for Android N (>= 7.0).
- Support for Sony Z2 stock roms as primary rom (I am investigating the installation as a secondary rom: it's installing, but not yet booting).
=== Version 33x ===
- Update Multirom from version 32 to 33.
- Update Multirom TWRP from version 2.8.7.0 to 3.0.2.
Detailed Xperia-Multirom Changelog
MultiRom
MultiRom Recovery
General Multirom Changelog
To be found here.
SOURCEs
MultiROM - https://github.com/XperiaMultiROM/multirom/ (branch master)
Modified TWRP - https://github.com/XperiaMultiROM/android_bootable_recovery (branch master)
Kernel w/ kexec-hardboot patch - https://github.com/Myself5/android_kernel_sony_msm8974/ (M5-Kernel)​
FAQs can be found here.
CREDITs
Tasssadar
Myself5
AdrainDC
Olivier
Garcia98
Thunder07
skin1980
Envious_Data
[NUT]
AndroPlus
Panic Brothers
I do not accept donations. But you may consider donation to Myself5 who did the original port, or to Tassadar who envisioned Multirom and did most of the implementation. We just jumped on the rolling train
Myself5:
Tassadar:
Thanks a lot to those who have donated!
XDA:DevDB Information
MultiROM for Sony Xperia Z2, Tool/Utility for the Sony Xperia Z2
Contributors
Myself5, Diewi
Source Code: https://github.com/XperiaMultiROM/multirom/tree/master
Version Information
Status: Testing
Created 2015-01-13
Last Updated 2018-01-23

DOWNLOAD
I still need to fix touch inside the MultiROM menu, for now you need to use the volume buttons to navigate.
https://diewald-net.com/files/public/MultiRom/sirius
The recovery.img is Tassadars modified TWRP to flash secondary Roms. It is needed to flash the secondary Roms.

Reserved
General Informations about Kexec are coming here soon.

Multi-Rom Random Post
Random Reserve Post

This is some real good progress in the Z2 development. When I'm not using the XDA One app I'll properly check out this thread. Thank you so much for this. I'll throw a donation your way at the end of the month.
EDIT:
Personally I think the installation instructions are a little bit ambiguous. Or is that your aim for this early in development?
Like in step one, I am assuming you need to be on an L ROM running your L kernel?
Is the multiROM TWRP embedded into your kernel?
The multiROM installer is the file multirom-20150113-v30x-UNOFFICIAL-sirius.zip, correct?
When do we need to flash the recovery.img you have provided?
Are the files under the KK/ directory needed yet?
Sorry for all the questions, I'm curious and want to try this but I don't wanna make any errors in the installation.

gamer649 said:
This is some real good progress in the Z2 development. When I'm not using the XDA One app I'll properly check out this thread. Thank you so much for this. I'll throw a donation your way at the end of the month.
EDIT:
Personally I think the installation instructions are a little bit ambiguous. Or is that your aim for this early in development?
Like in step one, I am assuming you need to be on an L ROM running your L kernel?
Is the multiROM TWRP embedded into your kernel?
The multiROM installer is the file multirom-20150113-v30x-UNOFFICIAL-sirius.zip, correct?
When do we need to flash the recovery.img you have provided?
Are the files under the KK/ directory needed yet?
Sorry for all the questions, I'm curious and want to try this but I don't wanna make any errors in the installation.
Click to expand...
Click to collapse
CM12 needs to be the host rom
after that you can install all you want

gamer649 said:
This is some real good progress in the Z2 development. When I'm not using the XDA One app I'll properly check out this thread. Thank you so much for this. I'll throw a donation your way at the end of the month.
EDIT:
Personally I think the installation instructions are a little bit ambiguous. Or is that your aim for this early in development?
Like in step one, I am assuming you need to be on an L ROM running your L kernel?
Is the multiROM TWRP embedded into your kernel?
The multiROM installer is the file multirom-20150113-v30x-UNOFFICIAL-sirius.zip, correct?
When do we need to flash the recovery.img you have provided?
Are the files under the KK/ directory needed yet?
Sorry for all the questions, I'm curious and want to try this but I don't wanna make any errors in the installation.
Click to expand...
Click to collapse
you need to flash the recovery.img to the FotaKernel Partition. ATM my M5-Kernel-V2-L is the only host kernel supported (therefore you need to be on CM12 as the Hostrom), more are yet to come (I work on a KK host kernel already and @AndroPlus Kernel is going to get supported soon too). The KK folder is not needed ATM, you just need M5 Kernel, the recovery.img flashed to FOTAKernel (see Recovery Collection Thread on how to do this) and then just flash the multirom*.zip and you are ready to go.

Hi Myself5, thanks for making multiboot rom for Z2, i always wanted to try something like this but my bootloader is "unlock allowed: no" is there any hope to run this on a locked bootloader / stock kernel or should i just complety forget about multiboot forever ??
Thanks for the work.

ptmaniac said:
Hi Myself5, thanks for making multiboot rom for Z2, i always wanted to try something like this but my bootloader is "unlock allowed: no" is there any hope to run this on a locked bootloader / stock kernel or should i just complety forget about multiboot forever ??
Thanks for the work.
Click to expand...
Click to collapse
MR needs a kexec-hardboot patched Kernel to load any other rom's kernel. However, as you can't flash any modified kernel I guess this is not possible for you. Sorry for that.

Hi and thanks for this beautiful feature. But I have a problem: I am on stock ROM 4.4.2 . Can I install a second ROM with a MultiROM remain on stock?

dalla96 said:
Hi and thanks for this beautiful feature. But I have a problem: I am on stock ROM 4.4.2 . Can I install a second ROM with a MultiROM remain on stock?
Click to expand...
Click to collapse
not yet. You need a MR compatible Host Kernel (it needs kexec-hardboot). Till now only my M5 Kernel for CM has it. Wait some weeks, I'm working with @AndroPlus to get kexec-hardboot going withAndroPlus Kernel

Double Post. Credits @tapatalk ...

Myself5 said:
not yet. You need a MR compatible Host Kernel (it needs kexec-hardboot). Till now only my M5 Kernel for CM has it. Wait some weeks, I'm working with @AndroPlus to get kexec-hardboot going withAndroPlus Kernel
Click to expand...
Click to collapse
OK thanks you very much

Are we Need to mod the ROM for that? Are that only work with Z2 ROMs?
I would test it soon as possible with androkernel.

dkionline said:
Are we Need to mod the ROM for that? Are that only work with Z2 ROMs?
I would test it soon as possible with androkernel.
Click to expand...
Click to collapse
no?
just install supported kernel, mod and the custom recovery.img

Just like all recoverys, otg stick doesn't mount... Please use Nut's recovery TWRP as base, that works ever. Is it normal that I can't touch anything really when the MultiRom Menu comes while booting?

Heyyy came across this and its awesome!!! So currently this mod works only for CM-based? Can I use a cm12 as a main and envi rom as my 2nd rom? D:laugh:
EDIT: Actually I tried flashing envi rom but it couldn't boot. My orginal CM12 rom boots fine though. Maybe I'm missing something. Do I need to flash kernels to the rom?

TheFerhatKing said:
Just like all recoverys, otg stick doesn't mount... Please use Nut's recovery TWRP as base, that works ever. Is it normal that I can't touch anything really when the MultiRom Menu comes while booting?
Click to expand...
Click to collapse
... Both your questions would be answered if you would have red the OP. I use @[NUT]s Device trees for TWRP already don't know why OTG is not working for you. A recovery log would be cool (After attaching the USB use adb to get it by using the command)
Code:
adb pull /tmp/recovery.log
The touch, as clearly written above the download link, is not yet working, I still need to fix this.
earthtk said:
Heyyy so currently this mod works only for CM-based? Can I use a cm12 as a main and envi rom as my 2nd rom?:laugh:
Click to expand...
Click to collapse
No as AndroPlus Kernel now has kexec-hardboot too you can use either stock or CM12/based (I'm working on a CM11 compatible Kernel) as the host Rom and any Z2 Rom you want as secondary Rom this is because secondary Roms need no patching (exept whats done when installing my MR itself) so you can use any Rom you want.
dkionline said:
Are we Need to mod the ROM for that? Are that only work with Z2 ROMs?
I would test it soon as possible with androkernel.
Click to expand...
Click to collapse
as you can read above, you only need to mod the host Rom (the Rom which is actually installed to the place it "belongs to") by installing a kexec-hardboot compatible kernel. And yes, OFC it does only work with Z2 Roms, this Mod is just for booting a Rom from a different place, not to magically make every Rom compatible with the Z2

I had read the whole op but not what was written over the download link sorry . But I didn't found where you said that you used Nuts device trees. I'm gonna do a log for you

TheFerhatKing said:
I had read the whole op but nut what was written ovet the download link sorry . But I didn't found where you said that you used Nuts device trees. I'm gonna do a log for you
Click to expand...
Click to collapse
Yeah, well you couldn't knew this, thats true Just checked again and discovered that I just mentioned him at the credits, not why. Sorry for that Looking forward to the log

[MOD][MultiROM][v33][Beta 1]

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Introduction
MultiROM is one-of-a-kind multi-boot mod for Redmi note 3. It can boot any Android ROM as well as other systems like Ubuntu Touch, Plasma Active, Bohdi Linux or WebOS port, once they are ported to our device. Besides booting from device's internal memory, MultiROM can boot from USB drive connected to the device via OTG cable. The main part of MultiROM is a boot manager, which appears every time your device starts and lets you choose ROM to boot. You can see how it looks on the left image below and in gallery. ROMs are installed and managed via modified TWRP recovery. You can use standard ZIP files to install secondary Android ROMs, daily prebuilt image files to install Ubuntu Touch and MultiROM even has its own installer system, which can be used to ship other Linux-based systems.​
Features:
* Multiboot any number of Android ROMs
* Restore nandroid backup as secondary ROM
* Use for example Ubuntu Touch or Desktop alongside with Android, without the need of device formatting, once they are ported to the redmi note 3
* Boot from USB drive attached via OTG cable
Warning!
It _is_ dangerous. This whole thing is basically one giant hack - none of these systems are made with multibooting in mind. It is messing with boot sector and data partition. It is no longer messing with data partition or boot sector, but it is possible that something goes wrong and you will have to flash factory images again. Make backups. Always.​
Installation
1. Via MultiROM Manager app (We do not have Official Support, so this is not an option for us yet)
This is the easiest way to install everything MultiROM needs. Install the app (Not for Moto X Play) and select MultiROM and recovery on the Install/Update card. If the Status card says Kernel: doesn't have kexec-hardboot patch! in red letters, you have to install also patched kernel (If you want to use Kexec) - either select one on the Install/Update card or get some 3rd-party kernel here on XDA. You are chosing kernel for your primary ROM, not any of your (future) secondary ROMs, so select the version accordingly.
Press "Install" on the Install/Update card to start the installation.​
2. Manual installation
Firstly, there are videos on youtube. If you want, just search for "MultiROM installation" on youtube and watch those, big thanks to all who made them. There is also an awesome article on Linux Journal.
MultiROM has 3 parts you need to install:
Modified recovery (TWRP_multirom_lux_YYYYMMDD.img) - download the IMG file from second post and use fastboot, TWRP or Flashify app to flash it.
Patched kernel - you can find it in the second post. Download the ZIP file and flash it in recovery. You can use any 3rd-party kernel which include the patch. we dont need patch kernel with the no kexec workaround
MultiROM (multirom-YYYYMMDD-vXX-wt88047-signed.zip) - download the ZIP file from second post and flash it in recovery.
You current rom will not be erased by the installation.
Download links are in the second post.​
Adding ROMs
1. Android
Go to recovery, select MultiROM -> Add ROM. Select the ROM's zip file and confirm.​
Using USB drive
During installation, recovery lets you select install location. Plug in the USB drive, wait a while and press "refresh" so that it shows partitions on the USB drive. You just select the location (extX, NTFS and FAT32 partitions are supported) and proceed with the installation.
If you wanna use other than default FAT32 partition, just format it in PC. If you don't know how/don't know where to find out how, you probably should not try installing MultiROM.
If you are installing to NTFS or FAT32 partition, recovery asks you to set image size for all the partitions - this cannot be easilly changed afterward, so choose carefully. FAT32 is limited to maximum of 4095MB per image - it is limitation of the filesystem, I can do nothing about that.
Installation to USB drives takes a bit longer, because the flash drive is (usually) slower and it needs to create the images, so installation of Ubuntu to 4Gb image on my pretty fast USB drive takes about 20 minutes.
Enumerating USB drive can take a while in MultiROM menu, so when you press the "USB" button in MultiROM, wait a while (max. 30-45s) until it searches the USB drive. It does it by itself, no need to press something, just wait.​
Updating/changing ROMs
1. Primary ROM (Internal)
Flash ROM's ZIP file as usual, do factory reset if needed (it won't erase secondary ROMs)
Go to MultiROM in recovery and do Inject curr. boot sector.
2. Secondary Android ROMs
If you want to change the ROM, delete it and add new one. To update ROM, follow these steps:
Go to MultiROM -> List ROMs and select the ROM you want to update.
Select "Flash ZIP" and flash ROM's ZIP file.
Explanation of recovery menus
Main menu
- Add ROM - add ROM to boot
- List ROMs - list installed ROMs and manage them
- Inject boot.img file - When you download for example kernel, which is distrubuted as whole boot.img (eg. franco kernel), you have to use this option on it, otherwise you would lose MultiROM.
- Inject curr. boot sector - Use this option if MultiROM does not show up on boot, for example after kernel installation.
- Settings - well, settings.
Manage ROM
- Rename, delete - I believe these are obvious
- Flash ZIP (only Android ROMs) - flash ZIP to the ROM, for example gapps
- Add/replace boot.img - replaces boot.img used by this ROM, this is more like developer option.
- Re-patch init - this is available only for ubuntu. Use it when ubuntu cannot find root partition, ie. after apt-get upgrade which changed the init script.​
XDA:DevDB Information
[MOD][MultiROM][v33][Beta 1][kenzo], Tool/Utility for the Xiaomi Redmi Note 3
Contributors
zeeshanhussain12
Source Code: https://github.com/multirom-nexus6p
Version Information
Status: Beta
Beta Release Date: 2016-06-15
Created 2016-06-15
Last Updated 2016-06-15

Reserved
DOWNLOADS
1. Main Downloads
Multirom :- multirom-20160615-v33-UNOFFICIAL-kenzo.zip
Multirom recovery:- recovery.img
2. third-party kernels with kexec-hardboot patch
no need with kexec workaround
Uninstaller :- multirom_uninstaller.zip
Flash this ZIP file to remove MultiROM from your device. It will erase all secondary ROMs. If you don't want MultiROM menus in recovery, re-flash clean TWRP, but it is not needed - those menus don't do anything if MultiROM is not installed.

Reserved
FAQ's
1. Should I flash recovery only via Flashify app?
-Not essentially, You can flash it via recovery.
Boot to TWRP.
Install->Tap on Images(bottom right screen)>Locate and select your recovery.img
Flash to 'Recovery' partition.
Reboot back to TWRP(IMPORTANT).
2.Can I flash any other kernels?
-yes you can flash any roms
3.Which roms can I flash?
-All Android 5.1+ roms can be flashed without any issues.
miui is not supported
4.How to flash without Hardbricking?
-Follow the steps from OP and there are videos to make the things easy in initial pages.
Maximum it causes bootloops(softbrick), not hardbrick if you follow the guide.
5.Can I flash roms to ext-sd card and USB-otg? How?
-Yes you can flash them to ext-sd card and USB-otg.
Boot to TWRP.
Tap on Multirom.
Tap on ADD ROM
Select the right Location
Flashing on ext-sd and USB otg takes some time, so be patient, don't freak out!
sd1 = usb otg
mmcblklpa = sd card
6.Where to find roms installed in my ext-sd and USB? How to boot into 'em?
-After flashing you'll be booted into MultiROM menu.
All your roms flashed on internal memory will be in Internal tab.
Others will be in External tab.
7.How to rename/remove/delete/wipe dalvik & cache or flash any other zips to existing rom?
-Follow
Boot to recovery.
Tap on MultROM
Tap on the rom which you want to remove/add zips.
You'll find all the options you need!
9."Unable to flash, I'm getting errors" / "Executing updater script failed" / "Rom is not booting" ????
-Please provide logs. It'll be located in /data/media/0/multirom/last_kexec. log
It'd great if you can provide the screenshots.
Press VOL DOWN + LOCK KEY to take Screenshots.
10.How to disable auto boot / change rom name / hide roms / brightness of Multirom menu?
-Follow
Boot to recovery.
Tap on MultiROM.
Tap on 3 dots on top right of screen.
Select settings.
Here you find all the customisations for MultiROM menu.

BUGS
- Miui is not supported
Credits @nkk71 for his no kexec workaround @Abhishek from yu forums @TheStrix for cm
NOTE :- All the devs are requested to help in improving this project as it is still in beta stage

Reserved for future....who knows what crazy post will be made here
Good job @zeeshanhussain12

VIDEO GUIDE (SOON WILL BE KENZO SPECIFIC)

Awesome.... Thank you
Sent from my SHIELD Tablet using XDA-Developers mobile app

yes,it looks so good
Sent from my Hol-U19 using XDA-Developers mobile app

Shahan_mik3 said:
Reserved for future....who knows what crazy post will be made here[emoji14]
Good job @zeeshanhussain12
Click to expand...
Click to collapse
Come make eos rom like mi3 here m8.. Im ex-user mi3..
Sent from my Redmi Note 3 using XDA-Developers mobile app

Can't boot to the rom...
The multirom screen shows up and when i select the rom, device reboots and again shows up....
I had to uninstall multirom and now it's booting into my primary rom normally...

This looks interesting. I’m definitely going to try it.
But when you say MIUI not supported, does that mean MIUI doesn’t work as a secondary ROM, or MIUI doesn’t work at all? How about Xiaomi.EU builds that don’t mess with TWRP? I’ve never tried MultiROM, but I have recently been playing with Dual Boot Patcher on my old Redmi 1S. I can get Xiaomi.EU MIUI to work both as a primary and a secondary ROM, but I also have to flash TWRP every time I update it.
Also what happens if I use ROMs with different bootloaders? For example, Santhosh uses stock MM bootloader and Balika011 uses a modified bootloader from AOSP ROM (I think). How would that work?

nice to see you here buddy @zeeshanhussain12.

ayush321 said:
Can't boot to the rom...
The multirom screen shows up and when i select the rom, device reboots and again shows up....
I had to uninstall multirom and now it's booting into my primary rom normally...
Click to expand...
Click to collapse
Working on porting kexec to our kernel ( currently it stuck on mi logo) this workaround is not working with all ROMs
edit- looks like the problem is with dtb. people are using different trees for roms which have different dtb. it is causing this issue. we have to wait for official cm trees or use the roms which is built by same trees . the roms i tried was built by same trees thats why its fine for me
Sent from my Redmi Note 3 using Tapatalk

Filip013 said:
This looks interesting. I’m definitely going to try it.
But when you say MIUI not supported, does that mean MIUI doesn’t work as a secondary ROM, or MIUI doesn’t work at all? How about Xiaomi.EU builds that don’t mess with TWRP? I’ve never tried MultiROM, but I have recently been playing with Dual Boot Patcher on my old Redmi 1S. I can get Xiaomi.EU MIUI to work both as a primary and a secondary ROM, but I also have to flash TWRP every time I update it.
Also what happens if I use ROMs with different bootloaders? For example, Santhosh uses stock MM bootloader and Balika011 uses a modified bootloader from AOSP ROM (I think). How would that work?
Click to expand...
Click to collapse
miui gives error while flashing as secondary. i have not tried Xiaomi.EU roms. i have ported DualBootPatcher too i have it in my drive . it doesn't work well with sd 650 as qcom changed base directory in mm and lp. the current problem is with dtb nearly every rom is using different source which have different dtb, it is causing problems. we just have to wait for one official source or use the roms which is built with same trees

zeeshanhussain12 said:
Working on porting kexec to our kernel ( currently it stuck on mi logo) this workaround is not working with all ROMs
edit- looks like the problem is with dtb. people are using different trees for roms which have different dtb. it is causing this issue. we have to wait for official cm trees or use the roms which is built by same trees . the roms i tried was built by same trees thats why its fine for me
Sent from my Redmi Note 3 using Tapatalk
Click to expand...
Click to collapse
Can you tell me which roms are currently working with multiROM...

Reserved
Waiting for miui support
Sent from my Redmi Note 3 using XDA-Developers mobile app

Hadi al-Haiqal said:
Come make eos rom like mi3 here m8.. Im ex-user mi3..
Click to expand...
Click to collapse
Haha Eos was the best and can't be replaced

zeeshanhussain12 said:
[/CENTER]
Introduction
MultiROM is one-of-a-kind multi-boot mod for Redmi note 3. It can boot any Android ROM as well as other systems like Ubuntu Touch, Plasma Active, Bohdi Linux or WebOS port, once they are ported to our device. Besides booting from device's internal memory, MultiROM can boot from USB drive connected to the device via OTG cable. The main part of MultiROM is a boot manager, which appears every time your device starts and lets you choose ROM to boot. You can see how it looks on the left image below and in gallery. ROMs are installed and managed via modified TWRP recovery. You can use standard ZIP files to install secondary Android ROMs, daily prebuilt image files to install Ubuntu Touch and MultiROM even has its own installer system, which can be used to ship other Linux-based systems.​
Features:
* Multiboot any number of Android ROMs
* Restore nandroid backup as secondary ROM
* Use for example Ubuntu Touch or Desktop alongside with Android, without the need of device formatting, once they are ported to the redmi note 3
* Boot from USB drive attached via OTG cable
Warning!
It _is_ dangerous. This whole thing is basically one giant hack - none of these systems are made with multibooting in mind. It is messing with boot sector and data partition. It is no longer messing with data partition or boot sector, but it is possible that something goes wrong and you will have to flash factory images again. Make backups. Always.​
Installation
1. Via MultiROM Manager app (We do not have Official Support, so this is not an option for us yet)
This is the easiest way to install everything MultiROM needs. Install the app (Not for Moto X Play) and select MultiROM and recovery on the Install/Update card. If the Status card says Kernel: doesn't have kexec-hardboot patch! in red letters, you have to install also patched kernel (If you want to use Kexec) - either select one on the Install/Update card or get some 3rd-party kernel here on XDA. You are chosing kernel for your primary ROM, not any of your (future) secondary ROMs, so select the version accordingly.
Press "Install" on the Install/Update card to start the installation.​
2. Manual installation
Firstly, there are videos on youtube. If you want, just search for "MultiROM installation" on youtube and watch those, big thanks to all who made them. There is also an awesome article on Linux Journal.
MultiROM has 3 parts you need to install:
Modified recovery (TWRP_multirom_lux_YYYYMMDD.img) - download the IMG file from second post and use fastboot, TWRP or Flashify app to flash it.
Patched kernel - you can find it in the second post. Download the ZIP file and flash it in recovery. You can use any 3rd-party kernel which include the patch. we dont need patch kernel with the no kexec workaround
MultiROM (multirom-YYYYMMDD-vXX-wt88047-signed.zip) - download the ZIP file from second post and flash it in recovery.
You current rom will not be erased by the installation.
Download links are in the second post.​
Adding ROMs
1. Android
Go to recovery, select MultiROM -> Add ROM. Select the ROM's zip file and confirm.​
Using USB drive
During installation, recovery lets you select install location. Plug in the USB drive, wait a while and press "refresh" so that it shows partitions on the USB drive. You just select the location (extX, NTFS and FAT32 partitions are supported) and proceed with the installation.
If you wanna use other than default FAT32 partition, just format it in PC. If you don't know how/don't know where to find out how, you probably should not try installing MultiROM.
If you are installing to NTFS or FAT32 partition, recovery asks you to set image size for all the partitions - this cannot be easilly changed afterward, so choose carefully. FAT32 is limited to maximum of 4095MB per image - it is limitation of the filesystem, I can do nothing about that.
Installation to USB drives takes a bit longer, because the flash drive is (usually) slower and it needs to create the images, so installation of Ubuntu to 4Gb image on my pretty fast USB drive takes about 20 minutes.
Enumerating USB drive can take a while in MultiROM menu, so when you press the "USB" button in MultiROM, wait a while (max. 30-45s) until it searches the USB drive. It does it by itself, no need to press something, just wait.​
Updating/changing ROMs
1. Primary ROM (Internal)
Flash ROM's ZIP file as usual, do factory reset if needed (it won't erase secondary ROMs)
Go to MultiROM in recovery and do Inject curr. boot sector.
2. Secondary Android ROMs
If you want to change the ROM, delete it and add new one. To update ROM, follow these steps:
Go to MultiROM -> List ROMs and select the ROM you want to update.
Select "Flash ZIP" and flash ROM's ZIP file.
Explanation of recovery menus
Main menu
- Add ROM - add ROM to boot
- List ROMs - list installed ROMs and manage them
- Inject boot.img file - When you download for example kernel, which is distrubuted as whole boot.img (eg. franco kernel), you have to use this option on it, otherwise you would lose MultiROM.
- Inject curr. boot sector - Use this option if MultiROM does not show up on boot, for example after kernel installation.
- Settings - well, settings.
Manage ROM
- Rename, delete - I believe these are obvious
- Flash ZIP (only Android ROMs) - flash ZIP to the ROM, for example gapps
- Add/replace boot.img - replaces boot.img used by this ROM, this is more like developer option.
- Re-patch init - this is available only for ubuntu. Use it when ubuntu cannot find root partition, ie. after apt-get upgrade which changed the init script.​
XDA:DevDB Information
[MOD][MultiROM][v33][Beta 1][kenzo], Tool/Utility for the Xiaomi Redmi Note 3
Contributors
zeeshanhussain12
Source Code: https://github.com/multirom-nexus6p
Version Information
Status: Beta
Beta Release Date: 2016-06-15
Created 2016-06-15
Last Updated 2016-06-15
Click to expand...
Click to collapse
Awesome Work buddy! Keep going!

@War_machine28 said:
Awesome Work buddy! Keep going!
Click to expand...
Click to collapse
Please don't quote the whole op...

[MOD][08/03/2016] MultiROM v33x for Xperia Z [ABANDONED]

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Introduction
MultiROM is one-of-a-kind multi-boot mod. It can boot any Android ROM as well as other systems like Ubuntu Touch, once they are ported to that device. Besides booting from device's internal memory, MultiROM can boot from USB drive connected to the device via OTG cable. The main part of MultiROM is a boot manager, which appears every time your device starts and lets you choose ROM to boot. You can see how it looks on the left image below and in gallery. ROMs are installed and managed via modified TWRP recovery. You can use standard ZIP files to install secondary Android ROMs and MultiROM even has its own installer system, which can be used to ship other Linux-based systems.
Features:
* Multiboot any number of Android ROMs
* Restore nandroid backup as secondary ROM
* Boot from USB drive attached via OTG cable
You can also watch a video which shows it in action.​
Warning
It is dangerous. This whole thing is basically one giant hack - none of these systems are made with multibooting in mind. It is no longer messing with data partition or boot sector, but it is possible that something goes wrong and you will have to flash factory images again. Make backups. Always.​
Installation
Manual installation
Firstly, there are videos on youtube. If you want, just search for "MultiROM installation" on youtube and watch those, big thanks to all who made them. There is also an awesome article on Linux Journal.
MultiROM has 2 parts you need to install + one optional (deprecated) :
MultiROM (multirom-YYYYMMDD-v33x-yuga.zip) - download the ZIP file from second post and flash it in recovery.
Modified recovery (multirom-YYYYMMDD-recovery-yuga.zip) - download the ZIP file from second post and use a recovery to flash it into the FOTA partition
DEPRECATED: Patched kernel - You can use those kernels on most Marshmallow and Lollipop based primary ROMs to add kexec boot support.
Be aware that those patchers will be updated when possible after kernel sources updates
Kexec support no longer required thanks to the no-kexec workaround by nkk71.
For convenience reasons, I enabled the workaround by default if kexec is not found.
You current rom will not be erased by the installation.
Download links are in the second post.​
Adding ROMs
1. Android
Go to recovery, select Advanced -> MultiROM -> Add ROM. Select the ROM's zip file and confirm.
Recommended values are :
Cache : Keep default value
Data : Minimum 4000
System : 1000 is enough for most installs
Using USB drive
During installation, recovery lets you select install location. Plug in the USB drive, wait a while and press "refresh" so that it shows partitions on the USB drive. You just select the location (extX, NTFS and FAT32 partitions are supported) and proceed with the installation.
If you wanna use other than default FAT32 partition, just format it in PC. If you don't know how/don't know where to find out how, you probably should not try installing MultiROM.
If you are installing to NTFS or FAT32 partition, recovery asks you to set image size for all the partitions - this cannot be easilly changed afterward, so choose carefully. FAT32 is limited to maximum of 4095MB per image - it is limitation of the filesystem, I can do nothing about that.
Installation to USB drives takes a bit longer, because the flash drive is (usually) slower and it needs to create the images, so installation of Android to 4Gb image on a pretty fast USB drive takes about 20 minutes maximum.
Enumerating USB drive can take a while in MultiROM menu, so when you press the "USB" button in MultiROM, wait a while (max. 30-45s) until it searches the USB drive. It does it by itself, no need to press something, just wait.​
Updating/changing ROMs
1. Primary ROM (Internal)
Flash ROM's ZIP file as usual, do factory reset if needed (it won't erase secondary ROMs)
Go to Advanced -> MultiROM in recovery and do Inject curr. boot sector.
OPTIONAL: Reflash the kernel patcher to add kexec support
2. Secondary Android ROMs
If you want to change the ROM, delete it and add new one. To update ROM, follow these steps:
Go to Advanced -> MultiROM -> List ROMs and select the ROM you want to update.
Select "Flash ZIP" and flash ROM's ZIP file.
Explanation of recovery menus
Main menu
- Add ROM - add ROM to boot
- List ROMs - list installed ROMs and manage them
- Inject boot.img file - When you download for example kernel, which is distrubuted as whole boot.img (eg. franco kernel), you have to use this option on it, otherwise you would lose MultiROM.
- Inject curr. boot sector - Use this option if MultiROM does not show up on boot, for example after kernel installation.
- Settings - well, settings.
Manage ROM
- Rename, delete - I believe these are obvious
- Flash ZIP (only Android ROMs) - flash ZIP to the ROM, for example gapps
- Add/replace boot.img - replaces boot.img used by this ROM, this is more like developer option.
- Re-patch init - this is available only for ubuntu. Use it when ubuntu cannot find root partition, ie. after apt-get upgrade which changed the init script.​
Source code
MultiROM - https://github.com/XperiaMultiROM/multirom (branch master)
Modified TWRP- https://github.com/Tasssadar/Team-Win-Recovery-Project (branch android-6.0)​
MultiROM available for Yuga also thanks to :
- Tasssadar
- The XperiaMultiROM team
- The MultiROM HTC team
- Arvind7352
- nkk71
- AdrianDC​
XDA:DevDB Information
MultiROM for Xperia Z, Tool/Utility for the Sony Xperia Z
Contributors
@Chippa_a
Thread Source Code: http://forum.xda-developers.com/xperia-sp/orig-development/mod-multirom-xperia-sp-t3351032
Version Information
Status: Abandoned

Downloads
1. Main downloads
MultiROM: multirom-2016MMDD-v33x-yuga.zip
Modified recovery (based on TWRP 3): multirom-2016MMDD-recovery-fota-yuga.zip
2. Uninstaller
MultiROM uninstaller: Unavailable for Yuga due to the already considerable SONY ELF format port
Reflash a ROM or a boot.img without injection (or the v33x zip) to remove MultiROM bootimage from your device.
Then delete the "multirom..." folders from internal & external storages.
If you don't want MultiROM menus in recovery, re-flash a normal TWRP, but it is not needed,
those menus don't do anything if MultiROM is not installed.​
How to install for the first time
Flash the 2 MultiROM zips as explained
Reboot to the FOTA Recovery (Volume +)
In MultiROM TWRP, Add a ROM, set everything properly
Wait for the ROM to be installed (can take a while)
In MultiROM screen, choose the ROM location
For the concerned ROM, "Flash zip" for wished zips (GApps, SuperSU, Addons...)
Read about the no-kexec workaround by nkk71 here : http://forum.xda-developers.com/showpost.php?p=64248526&postcount=4
Reboot the phone
Changelog
Code:
MultiROM v33x - 03/08/2016
======================================
* Initial release with full SONY ELF port and dual ramdisk support
Recoveries :
Code:
03/08/2016
======================
* Initial Yuga release
Supported ROMs
Code:
[COLOR="Gray"][SIZE="2"]Actually should be OK on all available ROMs
But this is a confirmed list[/SIZE][/COLOR]
CyanogenMod 12.1 : OK (Primary & Second)
CyanogenMod 13.0 : OK (Primary & Second)
ResurrectionRemix-MM: OK (Primary & Second)
SONY Stock 5.1.1: OK (Primary & Second)

FAQ and other notes
About security
In order to make multi-booting possible, MultiROM has to sacrifice some security measures. Firstly, on secondary Android ROMs, /system is not mounted read-only. While there are other things preventing malicious software from messing with /system, this might potentialy make it easier for such software to attack that system.
Next, MultiROM doesn't work with /data encryption. Not many people who use custom ROMs also use encryption anyway, so that isn't much of a concern.
What do the ROMs share?
All ROMs are separate, except /sdcard, which is shared between all Android ROMs.
Why is my USB connection to computer not detected ?
Uncheck the "Enable ADB" option in MultiROM Settings.
How many ROMs can I have?/Where are the ROMs stored?
You can have as many ROMs as you can fit in your /sdcard. All the ROMs are stored in /sdcard/multirom/roms or on an USB drive./external SD card. This folder is unaccessible in Android, to prevent mediascanner from scanning it. You can either in recovery, or obtain root and go to /data/media/0/multirom/roms.
Can I have different versions of Android working alongside?
Yes.
MultiROM recovery says it's 2.8.4. Why isn't it updated to 2.8.4.*highernumber*?
It is, it just shows wrong version.
The menu with all the ROMs won't show up during boot, how to fix it?
Either re-flash the MultiROM zip or go to recovery, Advanced -> MultiROM -> Inject curr. boot sector.
The reason for this is that something rewrote your boot.img, which happens for example when you flash a kernel. MultiROM's boot menu is part of the boot image, so it has to be added into it again.
Something wrong happened, I lost something or it's really laggy
You have been warned about making backups & the fact this is more experimental than stable.
You alone will be responsible for loosing data or having an usable ROM when you really needed it.
Everyone in this thread will try to help you, but we can't do backups of your data ourselves.
Thanks for your understanding, remember to read the previous comments and please try to help each other.​

awesome work bro! Can't wait to test. Ill report you very soon! :good:

Nice to see someone taking over. I'll close my thread.
Sent from my Sony Xperia Z3+ using XDA Labs

Can i use latest zombie kernel for primary rom ? Zombie kernel have kexec hardboot support ..

itsnie said:
Can i use latest zombie kernel for primary rom ? Zombie kernel have kexec hardboot support ..
Click to expand...
Click to collapse
Please read OP again. Especially about "no-kexec workaround".

i installed both zip file.but recovery hasnt multirom option in andvanced!!!

Thank you a lot, I'll try it later!

The basketbuild site isn't working,they are doing recovery,
Would you please upload the files to another server?
Sent from my C6603 using Tapatalk

Does anyone know if there is multirom development on the xperia z5 e6653? I got it working on and of, but there are more breakdowns than anything else. This results in having to frequently reinstall the original boot.img and restart from scratch. Any help is appreciated. Thx
Sent from my E6653 using XDA-Developers mobile app

i have installed in xperia z and flash cm13 in sd card.. on multirom i have seleceted CM13 but still booting in to primary
---------- Post added at 08:34 AM ---------- Previous post was at 07:44 AM ----------
multirom worked using ressurection remix and cm 14 thank u.....

I tried -
PureX Z Premium v3.0
X rom ( 5.1)
Xperia_Z_eXistenZ_Premium
ResurrectionRemix-N-v5.8.0
almost all stock based ,But non of them works and gives error during flashing..
Only
ResurrectionRemix-M-v5.7.4
Omni rom , are working fine ...
Any help how to use sony stock roms or others ?

Chippa_a said:
Why is my USB connection to computer not detected ?
Uncheck the "Enable ADB" option in MultiROM Settings.
Click to expand...
Click to collapse
Did not help... the setting is unchecked by default.
Charging on a Wallcharger works, pluging the phone to the computer doesn't show anywhing.
Falshing the Recovery only still worked fine, but after flashing the MultiROM zip the phone doesn't budge when connected to the Computer.
Syslog attached.

The MultiROM menu is not under Advanced such as v32 rather the icon upper right - pic 1.
RR N 7.1.1 as second Rom failed, ERROR 7 @ RR M 6.0.1 - pic 2.
My oldest backup Omnirom 4.4.4 as sec Rom was successfully - pic 3.
#Edit: Additional compatible secondary ROMs::
-XOSP M [6.0.1] [Unofficial] [Release 6] 6.3 [Revision 3] [2016/08/03]
-AOSP M [6.0.1] [FINAL] [OMS/Substratum] [Updated 31-10-2016]

The installation of Lineage 14.1 as sec also ends with Error 7.
Now the burning question arises: What is and why ERROR: 7?

MichaBit said:
The installation of Lineage 14.1 as sec also ends with Error 7.
Now the burning question arises: What is and why ERROR: 7?
Click to expand...
Click to collapse
You need newer twrp recovery for newer roms

langeveld024 said:
You need newer twrp recovery for newer roms
Click to expand...
Click to collapse
There was und is always the newest One installed. :angel:

MichaBit said:
There was und is always the newest One installed. :angel:
Click to expand...
Click to collapse
Alright but error 7 ALWAYS means wrong recovery

langeveld024 said:
Alright but error 7 ALWAYS means wrong recovery
Click to expand...
Click to collapse
Oh, Im currently desiring LEOs 3.1.1, so I will give Nailyk a drink.

[MOD]MultiROM for Galaxy A5 (SM-A500)

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Introduction
MultiROM is one-of-a-kind multi-boot mod for Galaxy A5. It can boot any Android ROM as well as other systems like Ubuntu Touch, Plasma Active, Bohdi Linux or WebOS port, once they are ported to our device. Besides booting from device's internal memory, MultiROM can boot from USB drive connected to the device via OTG cable. The main part of MultiROM is a boot manager, which appears every time your device starts and lets you choose ROM to boot. You can see how it looks on the left image below and in gallery. ROMs are installed and managed via modified TWRP recovery. You can use standard ZIP files to install secondary Android ROMs, daily prebuilt image files to install Ubuntu Touch and MultiROM even has its own installer system, which can be used to ship other Linux-based systems.
Features:
* Multiboot any number of Android ROMs
* Restore nandroid backup as secondary ROM
* Use for example Ubuntu Touch or Desktop alongside with Android, without the need of device formatting, once they are ported to Galaxy A5
* Boot from USB drive attached via OTG cable​
Warning!
It _is_ dangerous. This whole thing is basically one giant hack - none of these systems are made with multibooting in mind. It is messing with boot sector and data partition. It is no longer messing with data partition or boot sector, but it is possible that something goes wrong and you will have to flash factory images again. Make backups. Always.​
Installation
1) Flash Modified TWRP with odin or extract the tar file and install the img file with flashify or another recovery that has img install feature
2) Flash MultiROM zip in TWRP
3) enjoy
MultiROM has 3 parts you need to install:
Modified recovery Download the Modified TWRP for MultiROM
Patched kernel *OPTIONAL* : Not Needed
MultiROM download the ZIP file from second post and flash it in recovery.
Downloads:
Modified TWRP for MultiROM: https://www.androidfilehost.com/?w=files&flid=110082 Since the recovery image was too big for recovery partition, I used LZMA compression instead of LZO for the kernel, which saved about 3 MB
MultiROM: https://www.androidfilehost.com/?w=files&flid=110089
MultiROM Uninstaller: https://www.androidfilehost.com/?w=files&flid=110117
If you get force closes on secondary nougat ROMs:
Flash the rom, open /sdcard/multirom/roms/rom_name/system/build.prop on primary, or on TWRP with "vi" editor
and change:
Code:
ro.sys.sdcardfs=true
to
Code:
#ro.sys.sdcardfs=true
Then reboot.
DO NOT reboot the rom before changing build.prop line otherwise you will still get force closes!
You current rom will not be erased by the installation.​
Important: Since the Kernel hasn't Kexec Hardboot patch, you have to check "use no kexec workaround" box in multirom settings
Adding ROMs
1. Android
Go to recovery, select Advanced -> MultiROM -> Add ROM. Select the ROM's zip file and confirm.​
Using USB drive (not tested yet)
During installation, recovery lets you select install location. Plug in the USB drive, wait a while and press "refresh" so that it shows partitions on the USB drive. You just select the location (extX, NTFS and FAT32 partitions are supported) and proceed with the installation.
If you wanna use other than default FAT32 partition, just format it in PC. If you don't know how/don't know where to find out how, you probably should not try installing MultiROM.
If you are installing to NTFS or FAT32 partition, recovery asks you to set image size for all the partitions - this cannot be easilly changed afterward, so choose carefully. FAT32 is limited to maximum of 4095MB per image - it is limitation of the filesystem, I can do nothing about that.
Installation to USB drives takes a bit longer, because the flash drive is (usually) slower and it needs to create the images, so installation of Ubuntu to 4Gb image on my pretty fast USB drive takes about 20 minutes.
Enumerating USB drive can take a while in MultiROM menu, so when you press the "USB" button in MultiROM, wait a while (max. 30-45s) until it searches the USB drive. It does it by itself, no need to press something, just wait.​
Updating/changing ROMs
1. Primary ROM (Internal)
Flash ROM's ZIP file as usual, do factory reset if needed (it won't erase secondary ROMs)
Go to Advanced -> MultiROM in recovery and do Inject boot sector.
2. Secondary Android ROMs
If you want to change the ROM, delete it and add new one. To update ROM, follow these steps:
Go to Advanced -> MultiROM -> List ROMs and select the ROM you want to update.
Select "Flash ZIP" and flash ROM's ZIP file.
Explanation of recovery menus
Main menu
- Add ROM - add ROM to boot
- List ROMs - list installed ROMs and manage them
- Inject boot.img file - When you download for example kernel, which is distrubuted as whole boot.img (eg. franco kernel), you have to use this option on it, otherwise you would lose MultiROM.
- Inject boot sector - Use this option if MultiROM does not show up on boot, for example after kernel installation.
- Settings - well, settings.
Manage ROM
- Rename, delete - I believe these are obvious
- Flash ZIP (only Android ROMs) - flash ZIP to the ROM, for example gapps
- Add/replace boot.img - replaces boot.img used by this ROM, this is more like developer option.
- Re-patch init - this is available only for ubuntu. Use it when ubuntu cannot find root partition, ie. after apt-get upgrade which changed the init script.​
How does Kexec workaround works
You need to a kexec-hardboot supporting kernel or the non-kexec workaround as described perfectly by @nkk71 here: http://forum.xda-developers.com/show...26&postcount=4 (Be sure to leave him a thanks!)
Source code
MultiROM - https://github.com/nkk71/multirom
Modified TWRP - https://github.com/nkk71/android_bootable_recovery
Device Tree: https://github.com/DeadSquirrel01/android_device_samsung_a5ultexx branch cm-13.0-mrom
Kernel w/ kexec-hardboot patch: NOT NEEDED​
Credits
A big thanks for:
@nkk71 For kexec workaround and for helped me in IRC
@Tasssadar For MultiRom Source Code
That made this possible
Donations (Please donate to the Creator @Tasssadar )
I'd be glad if you could spare a few bucks. You can use either paypal or Bitcoins, my address is 172RccLB2ffSnJyYwjYbUD3Nx4QX3R8Ris​
Click to expand...
Click to collapse
​
XDA:DevDB Information
MultiROM for Galaxy A5 (SM-A500), Tool/Utility for the Samsung Galaxy A Series
Contributors
DeadSquirrel01
Version Information
Status: Beta
Current Beta Version: 1.0
Beta Release Date: 2016-09-10
Created 2016-09-10
Last Updated 2016-09-10

Reserved

AWESOME!!!!!!!!!!!!!!!FINALY!!!!!!!!!!!:good::good::good:

-CALIBAN666- said:
AWESOME!!!!!!!!!!!!!!!FINALY!!!!!!!!!!!:good::good::good:
Click to expand...
Click to collapse
He he thanks

one lil question from me.my current rom be untouched when i flash it,right?Because my current rom is working perfect and i dont need fail,thanx.

-CALIBAN666- said:
one lil question from me.my current rom be untouched when i flash it,right?Because my current rom is working perfect and i dont need fail,thanx.
Click to expand...
Click to collapse
No, it will br untouched, but a backup waste only 5 times, at massimum, so, if you have some free space make a backup, but as I said, it will be untouched

;DD will it work like this?
primary - stock touchwiz
secondary - cm 13
?
Thanks

supertiger1234 said:
;DD will it work like this?
primary - stock touchwiz
secondary - cm 13
?
Thanks
Click to expand...
Click to collapse
Sure

It's working perfectly! Thanks! hmm is cm 13 the best or rr? or anything else? xD
Edit: I'll choose your PacRom ;D

supertiger1234 said:
It's working perfectly! Thanks! hmm is cm 13 the best or rr? or anything else? xD
Click to expand...
Click to collapse
CM is pure android, rr has lots of feature regarding the personalization, so, if you want a rom wich is pure android, get the cyanogenmod, otherwise, if you like to personalize your android get the resurrection remix. Oh you installed multirom, so you can install both of them (you can install more than 2 roms) and decide which one is better for you
EDIT: if you use pac-rom you have to move this as primary, because it has a bug that won't boot if you set it as secondary

hmm is it normal to have "failed to mount /preload (invalid argument)"? happens when i flash rr
Edit: when i choose rr from the list, the device just reboots to multirom menu. hmm

supertiger1234 said:
hmm is it normal to have "failed to mount /preload (invalid argument)"? happens when i flash rr
Click to expand...
Click to collapse
Not, try to reboot to recovery and then reflash

DeadSquirrel01 said:
Not, try to reboot to recovery and then reflash
Click to expand...
Click to collapse
Okay I deleted and reflashed the rom, still the same error, hmm
Edit: when i go to mount and try to tick preload, it doesnt tick

Mmm, maybe i have to remove preload from the fstab. Now i'll do and notify once it's done

Works on my A500M with Stock 6.0.1 and CyanogenMod 13, thank you very much for port this mod to Galaxy A5

supertiger1234 said:
Okay I deleted and reflashed the rom, still the same error, hmm
Edit: when i go to mount and try to tick preload, it doesnt tick
Click to expand...
Click to collapse
Fixed, now download new twrp version (link in main post) and it should work
@codebseraph thanks for the support

DeadSquirrel01 said:
Fixed, now download new twrp version (link in main post) and it should work
@codebseraph thanks for the support
Click to expand...
Click to collapse
Hmm, The errors fixed buut now when I choose my second rom, it reboots to multirom menu xD
The non-kecex link doesn't work. Is there something important there?

Is the secondary rom pac-rom?
If yes, u have to move it as primary because it has a bug

DeadSquirrel01 said:
Is the secondary rom pac-rom?
If yes, u have to move it as primary because it has a bug
Click to expand...
Click to collapse
I'm trying rr and it's not working xD it's scary swapping
ResurrectionRemix-M-5.7.3-20160830-a5ultexx

supertiger1234 said:
I'm trying rr and it's not working xD it's scary swapping
ResurrectionRemix-M-5.7.3-20160830-a5ultexx
Click to expand...
Click to collapse
Well, it's a problem of the zip of the ROM. move it as primary or wait until I create a working installer
EDIT: maybe try with this installer https://www.androidfilehost.com/?w=file-thanks&fid=24591020540824243&mid=71&download_id=vlofv1jeu8k8ubpcpd375ql164&tid=1473585621&hc=c6de356c2e1c646fcb44f52216b36595df13152b92265bbb693814053fe5ca85

[MOD] MultiROM-20200708-v33x - TWRP_3.4.0-0 [No Kexec Workaround]

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You use this tool at your own risk!!​
I have tried to put as many safeguards as I can,
but I cannot be held accountable for any soft-bricks, hard-bricks, loss of data and/or information,
or anything else going wrong.​
Introduction
MultiROM is one-of-a-kind multi-boot mod for Samsung Galaxy S5 (klte). It can boot any Android ROM as well as other systems like Ubuntu Touch, Plasma Active, Bohdi Linux or WebOS port. Besides booting from device's internal memory, MultiROM can boot from USB drive connected to the device via OTG cable. The main part of MultiROM is a boot manager, which appears every time your device starts and lets you choose ROM to boot. You can see how it looks on the left image below and in gallery. ROMs are installed and managed via modified TWRP recovery. You can use standard ZIP files to install secondary Android ROMs, daily prebuilt image files to install Ubuntu Touch and MultiROM even has its own installer system, which can be used to ship other Linux-based systems.
Features:
* Multiboot any number of Android ROMs
* Restore nandroid backup as secondary ROM
* Use for example Ubuntu Touch or Desktop alongside with Android, without the need of device formatting
* Boot from USB drive attached via OTG cable
Click to expand...
Click to collapse
Warning!
It _is_ dangerous. This whole thing is basically one giant hack - none of these systems are made with multibooting in mind. It is messing with boot sector and data partition. It is no longer messing with data partition or boot sector (actually the no-kexec workaround is messing with your boot sector), but it is possible that something goes wrong and you will have to flash factory images again.
Make backups. Always.
Click to expand...
Click to collapse
Installation
Manual installation
Note 1: Your device must not be encrypted (hint: if you don't know what it is, then it is not encrypted).
MultiROM has 2 parts you need to install:
MultiROM (multirom-YYYYMMDD-vXX-UNOFFICIAL-klte.zip) - download the ZIP file from the download section and flash it in recovery.
Modified recovery (TWRP_multirom_kltexxx_YYYYMMDD.img) - download the IMG file from the download section and flash it in recovery.
Your current rom will not be erased by the installation.
Click to expand...
Click to collapse
Downloads
multirom-klte-kltechn-klteduos-kltekdi-kltekor
Click to expand...
Click to collapse
Adding ROMs
1. Android
Go to recovery, enter the MultiROM section of TWRP (by clicking the icon in to top right corner) -> Add ROM. Select the ROM's zip file and confirm. As for the space, clean installation of stock 4.2 after first boot (with dalvik cache generated and connected to google account) takes 676mb of space.
Click to expand...
Click to collapse
2. Ubuntu Touch this is NOT SUPPORTED
Use the MultiROM Manager app to install Ubuntu Touch.
Ubuntu Touch is in development - MultiROM will have to be updated to keep up with future changes in Ubuntu, so there's a good chance this method stops working after a while and I'll have to fix it.
Click to expand...
Click to collapse
Using USB drive
During installation, recovery lets you select install location. Plug in the USB drive, wait a while and press "refresh" so that it shows partitions on the USB drive. You just select the location (extX, NTFS and FAT32 partitions are supported) and proceed with the installation.
If you wanna use other than default FAT32 partition, just format it in PC. If you don't know how/don't know where to find out how, you probably should not try installing MultiROM.
If you are installing to NTFS or FAT32 partition, recovery asks you to set image size for all the partitions - this cannot be easilly changed afterward, so choose carefully. FAT32 is limited to maximum of 4095MB per image - it is limitation of the filesystem, I can do nothing about that.
Installation to USB drives takes a bit longer, because the flash drive is (usually) slower and it needs to create the images, so installation of Ubuntu to 4Gb image on my pretty fast USB drive takes about 20 minutes.
Enumerating USB drive can take a while in MultiROM menu, so when you press the "USB" button in MultiROM, wait a while (max. 30-45s) until it searches the USB drive. It does it by itself, no need to press something, just wait.
Click to expand...
Click to collapse
Updating/changing ROMs
1. Primary ROM (Internal)
Flash ROM's ZIP file as usual, do factory reset if needed (it won't erase secondary ROMs)
Go to the MultiROM section of TWRP (by clicking the icon in to top right corner) and do Inject curr. boot sector.
2. Secondary Android ROMs
If you want to change the ROM, delete it and add new one. To update ROM, follow these steps:
Go to the MultiROM section of TWRP (by clicking the icon in to top right corner) -> List ROMs and select the ROM you want to update.
Select "Flash ZIP" and flash ROM's ZIP file.
In some cases, you might need to flash patched kernel - get corresponding patched kernel version from second post and flash it to the secondary ROM sama way you flashed ROM's ZIP file.
Click to expand...
Click to collapse
Explanation of recovery menus
Main menu
- Add ROM - add ROM to boot
- List ROMs - list installed ROMs and manage them
- Inject boot.img file - When you download for example kernel, which is distrubuted as whole boot.img (eg. franco kernel), you have to use this option on it, otherwise you would lose MultiROM.
- Inject curr. boot sector - Use this option if MultiROM does not show up on boot, for example after kernel installation.
- Settings - well, settings.
Manage ROM
- Rename, delete - I believe these are obvious
- Flash ZIP (only Android ROMs) - flash ZIP to the ROM, for example gapps
- Add/replace boot.img - replaces boot.img used by this ROM, this is more like developer option.
- Re-patch init - this is available only for ubuntu. Use it when ubuntu cannot find root partition, ie. after apt-get upgrade which changed the init script.
Click to expand...
Click to collapse
Source code
MultiROM - https://github.com/nkk71/multirom
Modified TWRP - https://github.com/nkk71/android_bootable_recovery
Device tree - multirom-klte
Click to expand...
Click to collapse
Thanks
MultiROM team
@nkk71 for No Kexec Workaround
@klabit87 for inspiration and mrom device tree
@vasishath
@shahan-mik3
Click to expand...
Click to collapse

FAQ and other notes
No-kexec workaround
Q: What is the no-kexec workaround?
A: The no-kexec workaround by nkk71 allows you to use MultiROM without having to flash a kexec enabled kernel.
More info here
Click to expand...
Click to collapse
Q: MultiROM bootmenu never show up?
A1: You need MM (or based) kernel.
A2: Go to recovery, enter the MultiROM section of TWRP (by clicking the icon in to top right corner) -> Inject boot sector.
Click to expand...
Click to collapse
Q: Secondary ROM reboot to recovery?
A: Enter recovery > MultiROM menu > List ROMs > Select your ROM and Run Restorecon.
Click to expand...
Click to collapse

Changelog
Code:
MultiROM-20200708-v33x - TWRP 3.4.0-0
======================================
* MultiROM: Better compatibility with android 8 and 9
* MultiROM: Fix magisk root on secondary rom
* Include all recent improvements from TWRP 3.4.0-0
MultiROM-20180111-v33x - TWRP 3.2.1-0
======================================
* MultiROM: Better compatibility with android 8
* MultiROM: Update default android rom icon
* Include all recent improvements from TWRP 3.2.1-0
MultiROM-20170728-v33v - TWRP 3.1.1
======================================
* Fix MultiROM DPI
* New implementation to handle external boot
on Ext4 / F2FS MicroSD or USB Drive in order
to allow access to the external storage for media,
through the storage 'external_multirom' path
* Include all recent improvements from TWRP 3.1.1
MultiROM-20170411-v33b - TWRP 3.1.0
======================================
* Update Qcom overlay headers to latest cm14.1

mohammad.afaneh said:
mine
Click to expand...
Click to collapse
The first time I see a brother from jordan here , welcome mate
Sent from my SM-G900FD using Tapatalk

yazeed_twb said:
The first time I see a brother from jordan here , welcome mate
Sent from my SM-G900FD using Tapatalk
Click to expand...
Click to collapse
welcome man

mohammad.afaneh said:
welcome man
Click to expand...
Click to collapse
Welcome
Sent from my SM-G900FD using Tapatalk

Finally somebody ports multirom for S5 Thanks for your work, I can't wait to use this

Oh my god.
If I edit Device Tree for kltekdi, can I see MultiROM's dream on my galaxy ?

Will we get a working multirom manager in the future?

I tried MultiROM for kltekdi, but i can't make modification twrp.
please give me tutorial or recovery image.......

iamshapeless said:
Will we get a working multirom manager in the future?
Click to expand...
Click to collapse
Why not!
Garry050 said:
I tried MultiROM for kltekdi, but i can't make modification twrp.
please give me tutorial or recovery image.......
Click to expand...
Click to collapse
I will build it for you soon.

Unfortunately our Sgs5 phone is not on list of supported devices for Ubuntu touch, neither have port....

I add a rom but not able to boot new rom , it only boot primary rom. Tried every option possible in twrp .

1981sebas said:
I add a rom but not able to boot new rom , it only boot primary rom. Tried every option possible in twrp .
Click to expand...
Click to collapse
Tested on stock 6.0.1 and on cm14.1 as primary work on both!
Did you choose the secondary rom from boot menu?

mohammad.afaneh said:
Tested on stock 6.0.1 and on cm14.1 as primary work on both!
Did you choose the secondary rom from boot menu?
Click to expand...
Click to collapse
I never had option at boot it automatically boot on primary rom even if i hold volume key . Iv tried every option possible in twrp . Can you please explain me after adding rom the exact procedure .

1981sebas said:
I never had option at boot it automatically boot on primary rom even if i hold volume key . Iv tried every option possible in twrp . Can you please explain me after adding rom the exact procedure .
Click to expand...
Click to collapse
Download multirom zip file and flash it.

mohammad.afaneh said:
Download multirom zip file and flash it.
Click to expand...
Click to collapse
Dont work with phoenix rom as primary . Boot menu never shows .

1981sebas said:
Dont work with phoenix rom as primary . Boot menu never shows .
Click to expand...
Click to collapse
Maybe phoenix kernel included old or different headers.
I will try it later.

mohammad.afaneh said:
Why not!
I will build it for you soon.
Click to expand...
Click to collapse
i tried multirom for kltekdi again.
i'm so stupid... I thought about multirom twrp again, it was easy to build...
(I used a 6.0 based device tree on 7.1 based branch)
thank you thank you thank you....

Garry050 said:
i tried multirom for kltekdi again.
i'm so stupid... I thought about multirom twrp again, it was easy to build...
(I used a 6.0 based device tree on 7.1 based branch)
thank you thank you thank you....
Click to expand...
Click to collapse
If you just renamed every klte to kltekdi it will be the same!
Or you compined kltekdi with multirom configs?
Any way I will make device tree for rest variants.