P9 Bootloader problems? - Huawei P9 Questions & Answers

I wanted to try something new with my phone so i went ahead and followed a guide on how to unlock my bootloader and root it but mid way though the guide i got stuck at "Your device is booting now..."
I looked around and found a few tools and now i have twrp and though that was a done deal but when i tell twrp to reboot it tells me that i dont have an os installed?!?!?! question is can anyone guide a newb though getting that fixed? i need my phone heavily and right now its just a glowing brick

If you're on Marshmallow Before than install RR Rom
https://forum.xda-developers.com/p9/development/cyanogenmod-13-huawei-p9-t3500551
If you're on Nougat Before than install Lineage
https://forum.xda-developers.com/p9/development/rom-t3615781
Than that turn of your phone than Reboot to TWRP Again & Do a Factory Reset
After that DOWNLOAD Stock Rom & flash via dload method

Rafa Mistry said:
If you're on Marshmallow Before than install RR Rom
https://forum.xda-developers.com/p9/development/cyanogenmod-13-huawei-p9-t3500551
If you're on Nougat Before than install Lineage
https://forum.xda-developers.com/p9/development/rom-t3615781
Than that turn of your phone than Reboot to TWRP Again & Do a Factory Reset
After that DOWNLOAD Stock Rom & flash via dload method
Click to expand...
Click to collapse
I got it all working thx!

nizonrox said:
I got it all working thx!
Click to expand...
Click to collapse
Welcome bro

Related

[GUIDE] Marshmallow Root Guide for ZE500KL

ATTENTION!
You MUST read all the guide BEFORE doing it, if you do it without reading all of it first you may ends up bricking your phone!
Prerequisites:
Asus ZE500KL (may work on ZE500KG, but haven't tested, do it on your own risk) on Marshmallow, NOT LOLLIPOP!
Also, it must have fully booted AT LEAST one time, otherwise, you'll soft-brick it.
If your phone is not on Marshmallow, you can use THIS guide instead​Download and put the unlocker zip file and the SuperSu zip file in the phone
How To:
1 - Install adb and fastboot driver (follow THIS guide)
Now you can connect the phone to your computer​2 - Reboot in fastboot mode with one of the following method:
a -Volume Up while booting up​b -With adb, after enabling USB debugging in developer settings, using:
Code:
adb reboot bootloader
Now that you are in bootloader, you have to boot in TWRP,
download THIS recovery (is the twrp one) and boot in to it, using this command:
IMPORTANT: DON'T FLASH IT OR YOU WILL GET BOOTLOOP!!!
Code:
fastboot boot TWRP-x-x-x-x.img
(Obviusly the recovery name must be the one you downloaded)
IMPORTANT: DON'T FLASH IT OR YOU WILL GET BOOTLOOP!!!
It should automaticaly enter in recovery.
Now you MUST flash FIRST ZE500KL_BootloaderUnlock.zip, otherwise you'll brick your phone
Btw, the recovery will mount your phone's memory, so you can put now the files in the phone, if you forgot to do it before​
AFTER you installed the unlocker zip, you can install the SuperSu zip
When the install is complete, clear the cache and reboot your phone, now you can enjoy your root!
Downloads:
Latest @MiauLightouch TWRP - 3.0.0.2 Mirror
Latest SuperSu zip - 2.65 Mirror
Bootloader Unlocker (from @MiauLightouch original post) - Mirror
Credits:
@MiauLightouch for pretty much everything
@LuK1337 , @luca020400 and everyone on #titandev for being awesome
So.. I'm thinking of buying a ZE500KL and I've been doing some reading on this phone on the forums.. did it really just get unlocked like yesterday? does that mean custom roms from now on?
MuzgontarAco said:
So.. I'm thinking of buying a ZE500KL and I've been doing some reading on this phone on the forums.. did it really just get unlocked like yesterday? does that mean custom roms from now on?
Click to expand...
Click to collapse
I would recommend Z00L/T, you will get cm13, official unlock at least.
You Say " May Work On ZE500KG" Is ze500kg already receive Marshmallow Update?
MiauLightouch said:
I would recommend Z00L/T, you will get cm13, official unlock at least.
Click to expand...
Click to collapse
thanks for the advice but my choices are poor with about 5 phones in this price range with this one looking waay better.. getting it via contract so yeah..
How to install supersu zip? Tia.
Working! Have you tried to flash Viper4Android? On lollipop this will break Call recording and FM Radio, maybe this will not be a problem on MM?
Seanjhon027 said:
How to install supersu zip? Tia.
Click to expand...
Click to collapse
Inside TWRP there is a big "Install" button, press it and select the zip
what is the meaning of booted
mohamedelkholy said:
what is the meaning of booted
Click to expand...
Click to collapse
context?
until you saw the lock screen, that's what "booted".
stuck waiting for device
C:\Users\Clynt\Desktop\Android M>adb reboot bootloader
C:\Users\Clynt\Desktop\Android M>fastboot boot twrp.img
< waiting for device >
Ok I don't know where I get wrong but I got this error.
Img file name is ok because I renamed it.
Drivers were installed already.
Developers mode is enabled already.
Windows 7 64bit
Tried rooting this using lollipop and everything went well.
thanks!
UPDATE: i got it. it has something to do with the drivers.
Without opening the bootloader.
Notice. I have not tried it.
http://www.asus-zenfone.com/2016/05/how-to-root-asus-zenfone-2-laser-ze50kl-marshmallow.html?m=1
thanl you man i have rooted my zenfone 2 laser
Thanks very much for this guide and your work.
Can I install the new update v13.10.7.1 when I opened bootloader.
The twrp recovery is temporary or permanent? If permanent how to go back to stock recovery? Tia
thanks
thks TS
now my phone its rooted
Muminek111 said:
Without opening the bootloader.
Notice. I have not tried it.
No... when trace a perequisite link Given..
you really need to unlock bootloader first
wulfe13 said:
The twrp recovery is temporary or permanent? If permanent how to go back to stock recovery? Tia
Click to expand...
Click to collapse
i think isnt permanent, this step is needed to boot into twrp then flashing a unlockBL..
to make permanent.. the command must "fastboot flash recovery twrp_X.X.X.X.img"
but make sure to unlock bootloader first...
CMIIW
Click to expand...
Click to collapse
Is it me or everytime I reboot the device after rooted, it's going back to unrooted?
Root is a success tho, great job, OP!
Edit: okay, not every reboot, but after several reboots, then it went back unrooted

Stuck in TWRP

Since the last update of OTA, I click update on my mobilephone and it's reboot in TWRP, next I updated following the guide and when I reboot the mobile, the problem is that my mobile reboot's on TWRP always and not in the system, please help me.
Try flashing twrp 3.0.3.1 beta 1 ! (you can find it in "how to install nougat")
And don't try things you don't know about, i've tried to relock bootloader and my phone hard briked so i did lost everything....
Hollyca said:
Try flashing twrp 3.0.3.1 beta 1 ! (you can find it in "how to install nougat")
And don't try things you don't know about, i've tried to relock bootloader and my phone hard briked so i did lost everything....
Click to expand...
Click to collapse
I have the last TWRP update and still having the problem

OnePlus 3T Recovery Loop

Hello lovely XDA-members,
this morning a new OTA update/patch came out for my OnePlus 3T, so I downloaded and tryed to install it right away. My phone is rooted on android 7.0 and I have TWRP 3.0.3-0 installed as my recovery. Normally (when I updated to nougat) after downloading a new update the phone reboots itself into TWRP and installs the update by itself, but not this time. I had to seqrch through my phone and had to install thw update manually. After that I rebooted the phone and it started booting the TWRP recovery again, I tried it again and again and again, nothint changed. So I tried to restore my backup with everything functioning, but this wouldnt help either. :/ I read the few existing threads with this problem and heard of a recovery flag that isnt cleared and the bootloader being the problem. One solution that I found was only for an LG phone and I'm afraid that I'll brick my brand new phone I have absolutely no idea what to do now, I would be so happy if someone could help me with this :$
I thank you in advance <3
Encoutered the same problem. Either you reflash the official or twrp recovery (neither did the trick to me) or use this "emergency tool" (which helped me):
https://forums.oneplus.net/threads/unbrick-guide-oneplus-3t.481214/
Btw: TWRP 3.0.3-0 is not working well, switch to 3.0.3-1 beta
Good luck to you
I had the same problem.
How you can ''unbrick it'':
1. Flash a any rom available for the oneplus 3t via twrp
a. after this you will be still in twrp bootloop, to solve this go to step 2
2. Flash back stock recovery via twrp
Now your system will boot again
Optional: Flash back twrp
Just flash stock recovery via adb and you're done. It will fix the problem, you won't lose any data
Isus <3 said:
Just flash stock recovery via adb and you're done. It will fix the problem, you won't lose any data
Click to expand...
Click to collapse
@Isus <3 and @koentdm Do you have a download for the stock recovery, cause the oneplus download-site isnt working and I cant find any other downloads for it
EYT said:
@Isus <3 and @koentdm Do you have a download for the stock recovery, cause the oneplus download-site isnt working and I cant find any other downloads for it
Click to expand...
Click to collapse
https://drive.google.com/file/d/0B0pr-ZA5b-1pNVlxV3ljMUFaUHc/view
Thank you so much, it worked
EYT said:
Thank you so much, it worked
Click to expand...
Click to collapse
No problemos my friendos

solved! Bricked/ wiped my P9

Hi.
A while ago I installed lineage 14 on my p9 because my son who uses the phone did want to have an experience a little closer to aosp.
Today he wanted to go back to stock emui. I thought I use the dload method. But I couldn't enter the recovery. Every time I ended up back at twrp.
Then I installed magic rainbow 4. The installation went OK but not all apps where available. Camera etc not installed.
Again I tried to use de dload method but still the same issue.
The I tried to reinstall lineage 14. Because in magic rainbow I couldn't enter the the developers option to activate oem unlock or USB debugging.
I thought that the problem for dload was an frp lock. In bootloader there is everything unlocked. But I wanted to check it.
After reinstall of lineage I wanted to reboot but I always ended up in TWRP....
I seems that there wasn't a system installed?
Then I found a tutorial that said to wipe all partitions and manually flash boot.img and system.img
But the flashing failed of both img.
So now I have a phone with all wiped....
Anyone an idea about this?
curtricias said:
Hi.
A while ago I installed lineage 14 on my p9 because my son who uses the phone did want to have an experience a little closer to aosp.
Today he wanted to go back to stock emui. I thought I use the dload method. But I couldn't enter the recovery. Every time I ended up back at twrp.
Then I installed magic rainbow 4. The installation went OK but not all apps where available. Camera etc not installed.
Again I tried to use de dload method but still the same issue.
The I tried to reinstall lineage 14. Because in magic rainbow I couldn't enter the the developers option to activate oem unlock or USB debugging.
I thought that the problem for dload was an frp lock. In bootloader there is everything unlocked. But I wanted to check it.
After reinstall of lineage I wanted to reboot but I always ended up in TWRP....
I seems that there wasn't a system installed?
Then I found a tutorial that said to wipe all partitions and manually flash boot.img and system.img
But the flashing failed of both img.
So now I have a phone with all wiped....
Anyone an idea about this?
Click to expand...
Click to collapse
If you were installing MR v4, didn't you read also the OP post #3 about HWOTA method for going back to stock from custom Nougat ROMs
https://forum.xda-developers.com/showpost.php?p=75787156&postcount=3
zgfg said:
If you were installing MR v4, didn't you read also the OP post #3 with HWOTA method for going back to stock from custom Nougat ROMs
https://forum.xda-developers.com/showpost.php?p=75787156&postcount=3
Click to expand...
Click to collapse
Forgot to mention. Yes. I tried that but software install failed.
curtricias said:
Forgot to mention. Yes. I tried that but software install failed.
Click to expand...
Click to collapse
You had to use the proper TWRP (from MR v4 thread) and flash by HWOTA the same stock you were before going to custom.
You can try HWOTA7
https://forum.xda-developers.com/p9/development/rebrand-update-tool-hwota7-p9-eva-t3820849
or even HuRUpdater
https://forum.xda-developers.com/ho...lash-official-firmware-recovery-t3769279/amp/
zgfg said:
You had to use the proper TWRP (from MR v4 thread) and flash by HWOTA the same stock you were before going to custom.
You can try HWOTA7
https://forum.xda-developers.com/p9/development/rebrand-update-tool-hwota7-p9-eva-t3820849
Already tried this to. Script ended with more than one device emulator.
or even HuRUpdater
https://forum.xda-developers.com/ho...lash-official-firmware-recovery-t3769279/amp/
Click to expand...
Click to collapse
And tried this also. Software installation failed.
I tried to install magic rainbow 4 again and it worked!
First I flashed TWRP from the MR4 topic.
But...
still various apps are missing. When I want to enter developer settings I automatically go back to home screen.
What can I do from there.
@Tecalote I'm gonna quote you here. Maybe you have an idea?
FYI
I managed to solve the problem!
Started over again.
In TWRP full wiped.
Tried HuRUpdater again. Flashed successfully the latest stock EMUi (C432-B505).
Factory reset in stock recovery.
Complete setup.
Rooted with latest Magisk (patched boot.img)

bootloop after flashing twrp

Hi. I flashed stock firmware to my Galaxy A30 device. After then, i want do root and flashed TWRP 3.4.0.0 via Odin.And the phone is go into bootloop and system wont reboot.Is there any way to root without TWRP or fixing bootloop?
onyekurugitti said:
Hi. I flashed stock firmware to my Galaxy A30 device. After then, i want do root and flashed TWRP 3.4.0.0 via Odin.And the phone is go into bootloop and system wont reboot.Is there any way to root without TWRP or fixing bootloop?
Click to expand...
Click to collapse
It is very easy to get out of Bootloop
Steps :
1)Before restarts to its Samsung logo(Bootloop) Hold volume up button or volume down(may differ but try both once) for at least 6 sec
2) you will enter the download mode then REFLASH what you want
CHEERS.....
ali_hamza said:
It is very easy to get out of Bootloop
Steps :
1)Before restarts to its Samsung logo(Bootloop) Hold volume up button or volume down(may differ but try both once) for at least 6 sec
2) you will enter the download mode then REFLASH what you want
CHEERS.....
Click to expand...
Click to collapse
thanks for your write but i need to flash root.after flashing root it turns me again bootloop.i tried go download mode and restart too.
ali_hamza said:
It is very easy to get out of Bootloop
Steps :
1)Before restarts to its Samsung logo(Bootloop) Hold volume up button or volume down(may differ but try both once) for at least 6 sec
2) you will enter the download mode then REFLASH what you want
CHEERS.....
Click to expand...
Click to collapse
not just only root flashing roms turning me bootloop too.
onyekurugitti said:
thanks for your write but i need to flash root.after flashing root it turns me again bootloop.i tried go download mode and restart too.
Click to expand...
Click to collapse
The main issue is getting out of the bootloop
Reflash the stock
Then flash the twrp recovery exactly for your device (a30 or whatever)
Bootloop comes when u flash wrong model files
onyekurugitti said:
not just only root flashing roms turning me bootloop too.
Click to expand...
Click to collapse
Ok lemme find a solution
ali_hamza said:
The main issue is getting out of the bootloop
Reflash the stock
Then flash the twrp recovery exactly for your device (a30 or whatever)
Bootloop comes when u flash wrong model files
Click to expand...
Click to collapse
example:i was using miui12 abhix rog rom,then i went to flash infinity os rom.
first i flashed stock rom and flash twrp and flash rom , than turned me bootloop.i tried some kernels and magisk's and not worked.all time bootloop
i think your problem is the infinity os rom, i have sucessfully flashed Havoc OS, Corvus end game, and the Z-Rom without any problems, but the infinity os keept giving me the same bootloop, i downloaded it from mega during an entire day because i dont have a paid mega account.
onyekurugitti said:
Hi. I flashed stock firmware to my Galaxy A30 device. After then, i want do root and flashed TWRP 3.4.0.0 via Odin.And the phone is go into bootloop and system wont reboot.Is there any way to root without TWRP or fixing bootloop?
Click to expand...
Click to collapse
well there is a fix for this in A30 Main thread you will find it easily. just flash that and you are good to go.
New twrp fix for a305f
Hello guys, Here is new twrp fix for a305f Exynos ONLY which will fix latest security patch 1 july 2020(please get approval to use factory binaries (bootloader,pit,etc...) Flash it with latest odin. Put the file in AP section. Please don"t...
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