Database Develop

install recovery using adb

Windows users should already have :
<<adb drivers>>
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and
<<usb drivers>>
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so u did root. u unlocked bootloader. u flashed a recovery and u installed a new rom. one day u start "digging" things to see if u can delete all the unwanted files so u make the phone faster and accidentally u deleted an important file and now it cant boot and it cant go into recovery. you are wondering what you CAN do now ! The answer is : Everything !
You can either go back to stock rom or
you can re-flash the recovery and then reinstall the rom.
1. Download the platform tools for your machine ( windows , linux or mac-os ). Here i have the adb fastboot for you.
2. Copy the recovery image to a location on your computer thats easier for you. The recovery image should have .img extension. If it is in a zip file, extract the .img file from it before proceeding.
3. Connect the phone to the pc and open cmd inside the fastboot folder you downloaded ( windows ). The others not on windows must use cd [path to their desktop,inside the platform tools where they see the adb file].
** If you are on a boot loop but the pc gets to recognize the phone even for a second then
4. Type
i) adb reboot-bootloader
ii) fastboot flash recovery recovery.img ( the command is: fastboot flash recovery [recovery image path/filename] )
5. When its done , reboot. Hold Volume down and power button to see if u get in recovery mode. :highfive:
Install the rom now the way you already know. There are many guides for that so i won't make a new.
cheers :good:
**Windows users can use this fastboot to unlock bootloader too. Lite fastboot commands guide provided here
**Linux users don't even need to download it , they can just directly download it from their terminal
I hope this thread helps a little those that dont know what to do when they delete an important file. *Pictures coming soon*

[GUIDE][HOW-TO] UNLOCK BOOTLOADER of YU YUREKA BLACK [UPDATED]

How To Unlock Bootloader Of YU Yureka Black
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This is a short tutorial to explain how to unlock Bootloader of YU YUREKA BLACK
REQUIREMENTS :
1. YUREKA BLACK Phone
2. Download USB Drivers From Here . USB Drivers Windows & Install It on Your Machine.
3. ADB & Fastboot Drivers Installed In your Machine.
a. ADB & Fastboot Driver For Windows
b. On Linux Machine Run these commands to Install ADB & Fastboot Drivers
"sudo apt-get install android-tools-adb && sudo apt-get install android-tools-adb"
PROCEDURE OF UNLOCKING BOOTLOADER :
1.Connect your device in ADB Interface & from CMD run " adb reboot bootloader" Command to enter Fastboot Mode.
2.Once Device is in fastboot mode verify availability of Device in fastboot mode by running "fastboot devices" command in cmd.
3. Run "fastboot oem unlock-go" to Unlock the Bootloader of YUREKA BLACK.
(You can also run "fastboot oem unlock-tinno" this command will not wipe your data)
4. After running above command device will boot into recovery mode and data will be wiped automatically .
5. Once data is wiped device will automatically reboot to system with unlocked Bootloader.
6. Now u can flash TWRP - Official TWRP for YU Yureka Black

Amazing share dev, keep up to great work as always

Not able to enter fastboot
Hi,
Following works
"adb devices"
"adb reboot recovery"
However when I do
"adb reboot bootloader"
device restarts and gets stuck at "YUREKA BLACK" "POWERED BY android".
Also when I start device with Volume Down+Power button, I get into FFBM.
It just has variety of test options and no boot to bootloader/recovery.
Two button at bottom are shutdown and reboot.
Device is manufactured in 2019.
Any ideas how to get into bootloader mode.
Edit: Solved, issue with driver in fastboot mode.

Stuck in Fastboot

Hi,
My phone is stuck in fastboot loop. I cant turn it off or restart to recovery. I've tried everything i could find on the web, but no result.
ADB is not recognizing the phone properly. The same as MiFlash. I've tried dozen of Miflash version and either they crash or have that message.
Pictures:
Miflash error
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Fastboot and adb dont recognize the phone:
What are the other steps, what can i try? Is there a Miflash that works?

try this,
1) download platform tools folder
2) download fastboot rom 12.0.2 i.e .TGZ file
3) extract platform tools (u will find one folder inside named "platform tools"
4) extract TGZ file
5) copy all extracted tgz files in that "platform tools" folder.
6) connect device.
7) double click on "flash all.bat" file
8) done

rasik107 said:
try this,
1) download platform tools folder
2) download fastboot rom 12.0.2 i.e .TGZ file
3) extract platform tools (u will find one folder inside named "platform tools"
4) extract TGZ file
5) copy all extracted tgz files in that "platform tools" folder.
6) connect device.
7) double click on "flash all.bat" file
8) done
Click to expand...
Click to collapse
I've tried it, after clicking flash all, command prompt window flashes (too fast, i cant see the content of the window) and closes. Nothing changes...
Image of platform tools folder with fastboot rom inside:

1. Open command prompt.
2. Navigate to the directory which contains flashall.bat.
3. Now run flashall.bat from command prompt.
With this you can see the error.
Advise: Check your path and see if any folder has a space in the name. Remove the spaces from the folder names.

How to block bootloader on xt1799-2

I will try to describe exactly what I did. I warn you that if you want to repeat this, then do everything at your own risk!
Original message
1. The cleanest installation possible​
We do a COMPLETE cleanup and format the DATA in TWRP not lower than version 3.4... then reboot into bootloader and connect to the PC with a good cable. Run Fastboot on the PC in the command line in turn enter the following commands:
fastboot devices
fastboot erase all
fastboot reboot bootloader
2. Install motoXT1799-2_GLOBAL_2021.02.20_oreo.zip​
Use the firmware from here: motoXT1799-2_GLOBAL_2021.02.20_oreo
3. Install Magisk​
The latest version of Magic-v22.0.apk must be installed and Magisk-v22.0.zip
4. Go to the developer menu​
In the developer menu, we give permissions to unlock the OS bootloader, as well as give permission to debug via USB.
5. Run adb Fastboot on the command line​
The phone must be connected to the PC via USB. We enter the command adb devices on the smartphone, a dialog box should appear to allow debugging this device or something like that, respectively, we give permission.
Next, we reboot into the bootloader with the command adb reboot bootloader
6. Blocking​
Previously, we copy the stock recovery.img to the folder with adb Fastboot
Enter the commands:
fastboot flash recovery recovery.img
fastbo fastboot flashing lock
We reboot into the system.
7. Delete Magisk as unnecessary​
To do this, go to the program select delete see two items select first "restore partitions or something like that" then delete.
8. Do a factory reset​
If everything is done correctly, we get a device with Oreo Android 8.1.0 as if it came out of the factory.
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[TUTORIAL] Revive your hardbricked M3 and revert back to EMUI 5/ Android 7

WARNING​
This tutorial is only for you who have hardbicked your M3 (BTV-DL09). This is the last option you have. If you still access any method or at least fastboot, please consider to use any other method.
Once again it is the last method to revive your device
As usual DO IT WITH YOUR OWN RISK. I WILL NOT RESPONSIBLE FOR ANY DAMAGE OF YOUR DEVICE
Scenario:
For some reason your device is hardbricked and nothing userfull method suitable to bringging back you device
Tools :
IDT Application can be downloaded here
Board Software can be downloaded here
ADB Software
HUAWEI APP Extractor can be downloaded here
Tools to open your device screen
USB cable
STEP 1:
Revive your device into basic firmware using IDT
Please refer to this tutorial to doing that. Your test point can be found by opening your screen device. please be careful when you open it.
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This method will bring you to the basic firmware of this device (EMUI 2).
From here, your SIM will be locked. (I'm still dont know how to unlock, but everyting work well)
STEP 2
Update to EMUI 4
To do that you can use one of the following method:
a. Using dload
b. Using fastboot (I use this method because i dont have SD Card or USB OTG ), so i will explain this method.
You can download the firmware here
After downloaded, ectract UPDATE.APP from dload folder using APP Extractor.
Extract following files to your ADB folder:
- BOOT.IMG
- CUST.IMG
- SYSTEM.IMG
- FASTBOOT.IMG
- RECOVERY.IMG
Now we will flash IMG file.
* Boot into fastboot by connecting your device using USB cable
* open CMD then locate to your ADB folder
* type following command
Code:
adb devices
//to check connected devices
adb reboot fastboot
//you rdevice will reboot into fastboot mode
fastboot devices
//check connection
fastboot flash boot boot.img
fastboot flash cust cust.img
fastboot flash recovery recovery.img
fastboot flash system system.img
fastboot flash fastboot fastboot.img
fastboot reboot
Now disconnect your device. Your device should reboot system and running Android 6 EMUI 4.1
NOTE : First boot will take long time, so be patient
STEP 3
UPDATE TO EMUI 5 ANDROID 7
To do that we need to install TWRP. First you can download this version of TWRP for EMUI 4
You can refer to this tutorial to install TWRP
Download this OEM info
Copy oem info folder to SD Card or USB OTG. Place it in the folder TWRP/BACKUPS/<SERIAL NUMBER>
You can find SERIAL NUMBER on about tablet>>status>>SERIAL NUMBER
Download firmware BTV-DL09C100B307 form here and extract two zip file into SD Card/USB OTG root folder
Put in your SD Card/USB OTG
Now reboot into recovery > restore > locate your OEM info folder > restore.
Install update.zip
Install update_data_full_hw_eu.zip
Wipe
reboot system
First boot will took longer than first boot and you see Huawei logo if success
Congratulation, your device now running Android 7 EMUI 5.0.1
Optional you can install TWRP for android 7 here