This video has been created using the forums on xda developers website. All credits to XCnathan32 (Senior XDA Member), rchtk (Senior XDA Member), flar2 (Recognized XDA Developer),
Enddo (Senior XDA Member), xls654 (Junior XDA Member)
This detailed step by step guide will help you to fix the boot-loop (bootloop of death) problem in Google Nexus 6P. This fix works only if you have "oem unlocking" option enabled in the developer settings. If you don't have it enabled on your phone, stop and try enabling if you can boot into your phone briefly before proceeding further.
When you connect your device to PC, it should be in a bootloader mode. In order to Boot your phone into bootloader mode (Switch off the phone and hold power and volume down together)
To enable OEM unlocking and unlock bootloader:
1.Go to device settings.
2.Go to "about phone", scroll to build number, and then tap it 7 times. You should now see developer options in settings.
3.Open developer options, click on "OEM unlocking" and accept the prompt.
4.Now reboot your phone to bootloader (Power off the phone and then press power and volume down together). Connect your phone to the PC, and type "fastboot flashing unlock" Your bootloader will get unlocked.
1.How to install fastboot : https://forum.xda-developers.com/showthread.php?t=2588979 (by By Snoop05, Senior Member XDA)
2. ADB and Fastboot binaries : https://www.xda-developers.com/google-releases-separate-adb-and-fastboot-binary-downloads/
3. Google USB Driver : https://developer.android.com/studio/run/win-usb.html
4. Please make sure you use the .img file that matches the android version on your android device:
Boot.img from stock 6.17, 8.0 firmware: https://drive.google.com/file/d/0B7TP6GXR0wAVWVlvckU5LUtkYkE/view {New - For Android Oreo Only}
Boot.img from stock 48C, 7.1.2 firmware: https://drive.google.com/file/d/0B7TP6GXR0wAVWWZZRHBHVXNUa1E/view
Boot.img (N2G48B_4Cores.img) from stock 48B, 7.1.2 firmware: https://drive.google.com/file/d/0B7TP6GXR0wAVVjU5VVUzUGFSZkU/view
8.1.0 (OPM3.171019.013, Jan 2018) - 4core-patch-boot-angler-opm3.171019.013.img : https://androidfilehost.com/?fid=673791459329070783 (Android Oreo (8.1)
8.1.0 (OPM1.171019.011, Dec 2017) - 4core-patch-boot-angler-opm1.171019.011.img : https://androidfilehost.com/?fid=745849072291693389 (Android Oreo (8.1)
4core-patch-boot-angler-purenexus-2017.07-R2.img : https://androidfilehost.com/?fid=745849072291697404
4core-patch-boot-angler-purenexus-2017.07.img: https://androidfilehost.com/?fid=889964283620774656
8.0.0 (OPR5.170623.007, Oct 2017) - 4core-patch-boot-angler-opr5.170623.007.img : https://androidfilehost.com/?fid=745849072291692332 (Android Oreo (8.0)
4core-patch-boot-angler-opp6.171019.012.img : https://androidfilehost.com/?fid=745849072291691664
4core-patch-boot-angler-opp5.170921.005.img: https://androidfilehost.com/?fid=889964283620766837
5. TWRP Recovery : https://www.dropbox.com/s/bf9ug30v6uji1gt/twrp3_1_1_4Cores.img?dl=0
6. Elemental X Kernel : https://www.dropbox.com/s/e3l8fjks15hf9zg/EX4_1_1_4Cores.zip?dl=0 (XDA Recognized Developer flar2‘s )
EX kernel version 5.03 for use with android 8.0.0 : https://drive.google.com/file/d/0B7TP6GXR0wAVRUNhNEdRSk5HMVU/view
7. Super SU : https://forum.xda-developers.com/apps/supersu
More Info : https://www.xda-developers.com/nexus-6p-bootloop-fix/
https://forum.xda-developers.com/showpost.php?p=73118836
"Music: http://www.bensound.com/royalty-free-music
"Music: Song title - Memories"