Black screen after last update on pixel 5a

Hello,

I did the last /e/os update on my phone and after the reboot I saw the home screen for a few second and then nothing, no more display. I saw the screen for half a second a few hours later but since then full black.

All the solution that i have found need to have OEM unlock and USB debugging but I can’t access it since i can’t see the screen… (i tryed adb but it’s “unauthorized” device)
Even if i reboot the phone (by guessing where the button is) i never see any display but i feel the haptics and can turn on the light.

Any idea to fix it or recovering the data at least?

thanks!

Hi @skarone welcome to the /e/ forum.

In this situation we expect to be able to reach fastboot.

With the device powered off - hold Volume Down + Power

It is unlikely you can use any fastboot command to recover data.

However you can attempt a rollback to the previous version on an A/B slot device. I suggest you search this if unfamiliar (it will not always be successful with a Custom ROM). Perhaps also a read through of the install page Install /e/OS on a Google Pixel 5a - “barbet”.

  • Check if you have fastboot communication
fastboot devices
  • Find the current slot in use (assuming this slot contains the failed update)
fastboot getvar current-slot 
  • Expect a response like
current-slot: b
Finished. Total time: 0.000s
  • Now attempt to change slot (be aware of the exact slot name in case it might be _b
fastboot --set-active=<the slot you want>
  • From the previous example the command would be
fastboot --set-active=a
  • An alternative is to try
fastboot --set-active=other

Now reboot to system to see whether the old /e/ version is available.

Hi @aibd, thanks a lot for your answer!

I managed to do the roll back to version “a” previously “b”. Unfortunatly it didn’t fix the problem.

It make me think it’s more a screen problem more than a software issue since i don’t have any display in fastboot either. The fact that it happen right after the update was maybe just a coincidence?

I guess the only solution left would be changing the screen (if possible) since i can’t cast the screen on a other screen on this Pixel model apparently.

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