huawei nexus 6p bootloop fix

This post will guide you, How to Fix the Bootloop problem in your Nexus 6P. This is unofficial fix but seems to be working as of now. Follow the guideline to fix this problem. Check this XDA Forum link for further details.

Prerequisite

There are few minimum conditions that has to be meet. It may be certain software and some basic steps.

• It is recommended to install Android SDK from Google. Since Google ADB Drivers comes pre installed with this SDK.
• You must have unlocked bootloader of the device. See below instructions on how to do that.
• This method as of today is working on devices till Android Nougat 7.1.2. It is not working on Android O Preview.
• You must take complete backup as this is going to wipe all the data if you haven't unlocked the bootloader.

Files Needed

These are the files and setup you may need. Also here is the original download location at XDA.

1. A windows PC (this method) with Android SDK Installed, or install minimal adb as mentioned below (2 & 3).
2. Install the latest ADB and Fastboot binaries and extract them to an common folder on your computer.
3. Download and install the Google USB Driver (Windows)
4. N2G48B_4Cores.img (Modified Boot Image)
5. twrp3_1_1_4Cores.img (Modified latest twrp)
6.  EX4_1_1_4Cores.zip (Improve Performance)

Video Demo

We will recommend to go through the basic demos to understand more details before you begin installation process.

Watch the complete demo here,

How to Install TWRP Recovery

How to Root Nexus 6P - Complete Guide

Installation Step 

Now assuming you have performed the basic steps by watching above demos, here is the summary,

1. Copy all the images and the zip files to the directory where your android sdk is installed. In our case it is "C:\Android\sdk\platform-tools".
2. Enable the developer option and then go inside the 'Developer Options'
3. Turn on the 'USB Debugging' & 'OEM Unlocking'.
4. After installing the Android SDK connect the device with cable and then give permission if asked as below,
   
5. Now execute the command 'adb devices' and see if the connection is proper.
6. Next is go to bootloaderm use the command 'adb reboot-bootloader'. 
7. Once you are in bootloader use the command 'fastboot devices' to check the connection.
8. Now flash the modified boot image file downloaded above. Use the command 'fastboot flash boot N2G48B_4Cores.img' 
   
9. Its optional to flash the twrp recovery (modified). But recommended to install. The command will be ' fastboot flash recovery twrp3_1_1_4Cores.img' 
   
10. If you wish to install the 'speed ' enhancer (only if you feel lag else no) then go to twrp recovery and under install section flash the file 'EX4_1_1_4Cores.zip'
11. Next command is to reboot the device normally using 'fastboot reboot'.

This is all. You should see your device is working fine and also rebooting properly too.

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source : xda