* * * [Pixel 2 XL] - UPDATE Monthly Factory Image / UPGRADE To New OS * * *

[Az Biker]

WHO IS THIS GUIDE FOR:
Anyone updating factory images within the same OS version (10 to 10)
Anyone upgrading from one OS to another (9x to Android 10)


Below is a QUICK REFERENCE guide for those who have done this before, and a DETAILED STEP BY STEP guide for the first or second timer who needs each and every step outlined. Links to all required files are also provided (make sure you are selecting the latest version)


UPDATE TO THE LATEST FACTORY IMAGE . . . UPGRADE TO THE NEXT OS. . .

PREP WORK:
* Unlocked bootloader. (*performing critical_unlock only required with bootloader versions PRIOR to TMZ20a) read it here.
* Latest SDK Platform Tools found here.
* USB 2.0 & 3.0 cables available (trust me)
* Remove screen lock security before starting
* Remove all substratum overlays
*Download and extract the latest Taimen factory image (place the second extracted folder in Platform Tools folder)

CLEAN FLASH (wipe everything) or DIRTY FLASH (keep data)
Decide now whether you want a fresh OS that will restore your device to factory setup OR if you want to flash the latest factory image but keep your data.
For a clean flash: leave the FLASH-ALL file intact, change nothing.
To retain your data: EDIT the FLASH-ALL file and REMOVE the -w near the end of the script. Save the file and reopen it to ensure the -w has been removed,

When UPGRADING from one OS to another I reco a CLEAN FLASH (leave the -w intact)

Place these files on your sdcard (either before dirty flash or from PC after clean install):
* Latest TWRP.ZIP
* Your preferred customer kernel zip, I use ElementalX kernel
* Magisk uninstall instructions In the event you need to manually uninstall and reinstall MM
* Latest Magisk.zip
* Latest Magisk Manager APK

NOTE: On Android 10, when flashing TWRP Installer, kernels, magisk , etc. in TWRP, ignore the warning "FAILED TO MOUNT '/system' (invalid argument) this is a known issue with TWRP + 10 but affects nothing :good:

QUICK REFERENCE GUIDE for updating/upgrading Pixel 2 XL:

Once you verify 'fastboot devices' on command prompt
Type flash-all to install factory image (allow it to install, and boot into system)
Hold vol down and power button to boot into bootloader
Fastboot into twrp 3.3.0-0.IMG
Flash the twrp installer 3.3.0-0.ZIP,
Flash custom kernel, I use flar2's ElementalX Kernel. SELECT THE CORRECT 9X OR ANDROID 10 KERNEL
Let the system boot up to verify.
Reboot back into twrp and flash latest magisk
Reboot to system
Profit


DETAILED STEP BY STEP GUIDE for updating monthly factory images, or upgrading to the next OS (ie: 9x to 10x)
I reco a CLEAN FLASH (leave the -w intact) when jumping from one OS to a new one (not necessary when doing monthly factory updates within the same OS version)

Requirements:
*Unlocked bootloader and Critical_unlock* completed. (*critical_unlock required with bootloader versions PRIOR to TMZ20a) read it here.
*Latest SDK PlatformTools found here
*USB 2.0 & 3.0 cables available (trust me)

These files on your sdcard:
* Latest TWRP.ZIP
* Your preferred Custom Kernel, I use Elemental X Kernel
* Magisk uninstall instructions In the event you need to manually uninstall and reinstall MM
* Latest Magisk.zip
* Latest Magisk Manager APK

These files in your Platform Tools Folder:
* Latest factory image (MAKE SURE YOU DL THE CORRECT DEVICE IMAGE :good: )
* Latest TWRP.IMG


1. Make backup, move to PC (because you never know)
2. Disable all security; patterns, pins, etc.
3. In Developer Options, make sure USB DEBUGGING is on
4. Connect device to PC, verify fastboot is working type; fastboot devices (should see your device's serial number)
5. Fastboot latest factory image (To KEEP internal storage intact, edit and remove -w in "flash-all.bat" file and SAVE, to wipe entire device, leave flash-all unedited)
Type: FLASH-ALL (hit enter) Allow the OS to reboot and settle for a minute *REMEMBER LEAVING THE -W INTACT WILL WIPE YOUR DEVICE*
6. Reboot into BOOTLOADER, in CMD screen Type: fastboot boot <twrpxxx.img name> to boot into Latest TWRP.IMG
7. Once in TWRP, install Latest TWRP.ZIP from sdcard
8. Reboot back into Recovery
9. Install compatible custom kernel, I use flar2's ElementalX Kernel.
10. Reboot back into Recovery
11. Reboot into System, allow OS to settle for a few minutes
12. Boot into Recovery
13. Install Latest Magisk.zip
14. Reboot into System
15. Profit


Troubleshooting Tips & Other Information

Click here for * * * BASIC FASTBOOT/ADB TROUBLE SHOOTING FOR THE 2XL * * *

If you get stuck at the G screen, or bootloop into TWRP, try these steps:

-Perform a hard reboot (long press the power button) or

-Get back to TWRP (whether by booting into it from fastboot, or rebooting into bootloader -long press power & vol down- then boot into recovery) and reinstall the Magisk Uninstaller in TWRP a few times.

- If you are bootlooping into TWRP with Magisk installed, READ THIS!

- Safety Net message in Magisk "The Response Is Invalid" is a known issue[/URL] ... Be patient

View attachment 4572738

Make sure you have all the correct and/or latest versions of SDK Tools, factory image, TWRP.img and TWRP.zip, and Magisk


Note: as a matter of superstition, I reboot back into recovery each time after installing TWRP, cust kernel, and magisk, prior to booting into system. It is NOT required, but it works


Again, HUGE thanks to @Badger50 for his invaluable input

 

[Badger50]

A lot of users have had success upgrading from Oreo to Pie and there are several tutorial / guide posts located in different threads, so I figured I'd centralize instructions in a Quick Reference Thread, that includes all needed file links and an easy to follow step by step.

Please feel free to make any suggestions to simplify or make this more accurate.

Requirements:
*Unlocked bootloader and Critical_unlock completed.
*Latest SDK Tools found here
*USB 2.0 & 3.0 cables available (trust me)

These files on your sdcard:
* TWRP 3.2.2-0.ZIP
*Flash kernel 3.0
* magisk uninstaller
*magisk zip 1674
* MM 5.8.3 APK

These files in your Platform Tools Folder:
* 9.0 factory image
*TWRP 3.2.2-0.IMG


1. Make backup, move to PC (because you never know)
2. Disable all security; patterns, pins, etc.
3. In Developer Options, make sure USB DEBUGGING is on
4. Verify fastboot is working type; fastboot devices (should see your device's serial number)
5. Fastboot 9.0 factory image(To KEEP internal storage intact, remove -w in "flash-all.bat" file and SAVE, to wipe entire device, leave flash-all unedited)
6. Type: fastboot boot <twrpxxx.img name> to boot into TWRP 3.2.2-0.IMG
7. Once in TWRP, install TWRP.ZIP on sdcard
8. Reboot back into Recovery, and install the magisk uninstaller in twrp,
9. Reboot back into Recovery and install Flash kernel 3.0
10. Reboot back into Recovery
11. Reboot into System, allow OS to settle for a few minutes
12. Install MM 5.8.3 APK
13. Reboot into Recovery
14. Install magisk zip 1674,
15. Reboot back into Recovery
16. Reboot into System
17. Profit

Note: as a matter of superstition, I reboot back into recovery each time after installing TWRP, cust kernel, and magisk, prior to booting into system. It is NOT required, but it works

Thanks to @Badger50 for figuring out the right steps in this process!

Well done my brother!! :good::good:

 

[newyesor]

Well done my brother!! :good::good:

I use unlock bootloader normal.
I was done follow your step but it's boot stuck google logo after flash magisk(16.74).

 

[Badger50]

I use unlock bootloader normal.
I was done follow your step but it's boot stuck google logo after flash magisk(16.74).

Sometimes it takes 5 minutes or so on first boot. If it doesn't work, do a hard restart a few times. If that doesn't work, flash magisk again in twrp.

You use unlock bootloader normal??

 

[newyesor]

Sometimes it takes 5 minutes or so on first boot. If it doesn't work, do a hard restart a few times. If that doesn't work, flash magisk again in twrp.

You use unlock bootloader normal??

I use normal unlock bootloader.
I wait devices boot around 5 minutes and it 's reboot in to twrp recovery.

 

[Badger50]

I use normal unlock bootloader.
I wait devices boot around 5 minutes and it 's reboot in to twrp recovery.

So your bootloader _critical partition isn't unlocked?? Which can't be right either since you've been able to boot fastboot the update to P. Guess I just don't know what your trying to say.

 

[newyesor]

So your bootloader _critical partition isn't unlocked?? Which can't be right either since you've been able to boot fastboot the update to P. Guess I just don't know what your trying to say.

I use this command for flash unlock bootloader.
fastboot flashing unlock

 

[Badger50]

I use this command for flash unlock bootloader.
fastboot flashing unlock

Have you ever ran fastboot flashing unlock_critical..?

Have you actually booted into the 9.0.OS yet?

 

[newyesor]

Have you ever ran fastboot flashing unlock_critical..?

Have you actually booted into the 9.0.OS yet?

I have never ran fastboot flashing unlock_critical.
Yes,My devices is base on android P and I was booted into the 9.0.OS.

 

[Az Biker]

I use this command for flash unlock bootloader.
fastboot flashing unlock

If you flashed the factory image with no issues, then you must have completed critical_unlock as well, otherwise the new bootloader shouldn't have taken (as far as I understand).

I'd start from scratch again, and make sure you follow the process exactly. Many users have used this with no issue, so maybe you missed something? The first time I flashed the factory image to my 6P (my backup) I totally skipped flashing the boot.img, and wondered why it wouldn't boot

 

[galaxys]

Kudos, just what I needed to update!

 

[Badger50]

I have never ran fastboot flashing unlock_critical.
Yes,My devices is base on android P and I was booted into the 9.0.OS.

Have you flashed the magisk uninstaller as well? Why are you showing magisk 16.0?

 

[newyesor]

Have you flashed the magisk uninstaller as well? Why are you showing magisk 16.0?

Yes,i was flashed the magisk uninstaller as well.
I try to root with magisk on my devices.
I try to flash patch boot for root without twrp but it's not work.
I try to flash magisk follow you but it's not work.

 

[aznriceballman]

Is flashing the kernel mandatory?

 

[Badger50]

Yes,i was flashed the magisk uninstaller as well.
I try to root with magisk on my devices.
I try to flash patch boot for root without twrp but it's not work.
I try to flash magisk follow you but it's not work.

Something just seems fishy to me. I've never heard of anyone not unlocking _critical, and being able to fastboot the factory image. However, it seems that you have somehow. All I can suggest is to fastboot the 9.0 again to both slots, and let it boot up each time.

Then fastboot into twrp, flash the installer zip, and let it boot up. Then go back to twrp, flash magisk uninstaller zip, then flash custom kernel, and let it boot up. Then go back to twrp, and flash magisk 1674 again.

If none of that works, I'd unlock _critical, which will wipe your phone, and then start over.

 

[galaxys]

Is flashing the kernel mandatory?

Not mandatory, but it keeps TWRP touch screen working among other things...

 

[E30Nova]

Just wanted to say thanks for this!

I didn't have time to update from DP5 yesterday, but I guess that was a good thing because now there's this guide, and it worked perfectly. Upgraded from DP5/flash 2.44 and who knows what Magisk version to all the latest and greatest in no time at all.

Thanks!

 

[shooterlgk]

Something just seems fishy to me. I've never heard of anyone not unlocking _critical, and being able to fastboot the factory image. However, it seems that you have somehow. All I can suggest is to fastboot the 9.0 again to both slots, and let it boot up each time.

Then fastboot into twrp, flash the installer zip, and let it boot up. Then go back to twrp, flash magisk uninstaller zip, then flash custom kernel, and let it boot up. Then go back to twrp, and flash magisk 1674 again.

If none of that works, I'd unlock _critical, which will wipe your phone, and then start over.

im having an issue, i followed all instructions and got booted up an everything but when i flash twrp img it stays stuck on the twrp logo, flashed the one mentioned in o.p and the newest as well to remove any doubts, but no go. Any suggestions?

 

[Badger50]

im having an issue, i followed all instructions and got booted up an everything but when i flash twrp img it stays stuck on the twrp logo, flashed the one mentioned in o.p and the newest as well to remove any doubts, but no go. Any suggestions?

Do you have screen lock disabled?

 

[shooterlgk]

Do you have screen lock disabled?

Yes sir