By doing what you said I managed to find something interesting, particularly with mcetool --enable-led-pattern=PatternScanningFingerprint
Sometimes after turning on the screen it keeps scanning and then it can immediately recognise fingerprint. But sometimes it stops scanning for like 2 seconds, and this is super annoying.
Up to this point I thought it simply can’t recognise my fingerprint, but it turns out is actually isn’t scanning at all!
This seems like a bug, that maybe can be fixed.
Edit: I tried to catch it on video and now can’t replicate it… Could someone confirm if it happens for them too? That the diode singaling scanning turns off for a second?
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