"Fingerprint hardware unavailable"

Two days ago, my 5.4's fingerprint sensor stopped working. I attempted to unlock with my fingerprint, only for absolutely nothing to happen.

"Fingerprint hardware unavailable"

clarence112 clarence112
✭✭  /  edited April 2021

Two days ago, my 5.4's fingerprint sensor stopped working. I attempted to unlock with my fingerprint, only for absolutely nothing to happen. While proceeding to unlock with my pin instead, I noticed a banner across the bottom of the lock screen that read "fingerprint hardware unavailable". Finding that odd, I decided to try rebooting to see if that would fix the issue, but that only seems to have made the issue worse: My phone seems to have forgotten that it even had a fingerprint sensor to begin with. Any and all settings relating to it have completely disappeared, even in safe mode.


Edit: I found a fix! For anyone else who may run into this issue:

1. Shut off your phone.

2. Hold down the Vol+, Vol-, and power buttons until your phone turns on, off, and back on again

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