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  • Workaround for Android 15 QPR2 fingerprint firmware glitch on Pixel 9 (non-Pro)

Hi, I am impacted as well. Performed 8-10 restarts and reboots but still impacted.
I will just continue until it works.

... and now issue resolved on my side. I am back to normal, thanks again for the information.

And thank you for the proactive communication. I saw this message before the update was triggered on my phone and it allowed me to immediately know what was the issue and to perform remediation.

I'm happy to report that restarting the phone 5x in a row and then doing a full shutdown for several minutes resolved the issue on the next startup. Appreciate the devs for investigating and reporting on this issue.

We've adjusted our estimate of how many people it impacts to 1/1000. It's very rare but it's hard to know how rare. It's definitely not 1% of people or there would be far more reports.

I report the same issue.

I did not report because it seemed like it's a bug upstream.

It's possible this only impacts 9th generation Pixels in which case our initial 1/5000 estimate was probably accurate based on most users not being on 9th generation Pixels.

Hmm; I may have spoken too soon. Upon another reboot, the fingerprint functions have again disappeared. While it was working briefly, fingerprint functions within apps was flaky / intermittent.

Pixel 9 here. No fingerprint functionality after a full shut down and a restart. Will try more restarts and report back.

6a no issue with fingerprint unlock

Pixel 9 as well, fingerprint option disappeared after a system update, persisted through the first shutdown cycle, then came back after a second.

No issue on 6th,7th and 8th gen pixels.

Test models :

  • 6a, 6, 6 pro
  • 7, 7a
  • 8,8 pro

Unfortunately no pixels 9th in my collection to check.

GrapheneOS changed the title to Workaround for rare Pixel 9 fingerprint firmware glitch with Android 15 QPR2 .

Second Pixel 9 with GrapheneOS at home, same issue happened, resolved after 3rd shutdown cycle.

I have a Pixel 9 and have the issue.

Can confirm on a Pixel 9 with 2025030800.
One full power cycle fixed it, previous restarts did not.

  • r0bi replied to this.