this post was submitted on 01 Nov 2024
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In-display fingerprint sensors have become commonplace in virtually all Android smartphones, for better or for worse, and five years later...

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[–] [email protected] 6 points 1 week ago (4 children)

They are way better, faster without sacrificing precision/security. With an ultrasonic sensor I can simply tap the screen and it's unlocked, where with the optical ones I'd need to press for a second before unlocking, sometimes having to shuffle my finger around.

[–] [email protected] 4 points 1 week ago (3 children)

I experienced the complete opposite. Ultrasonic was crap, inaccurate, and slow (until it stopped working completely), while optical was just a tap, and very accurate

[–] [email protected] -1 points 1 week ago (2 children)

You probably used some cheap crappy chinese knock off ultrasonic then, because they do work, and much much better than optical

[–] [email protected] 2 points 1 week ago* (last edited 1 week ago)

I have the P9p and have more issues with the (ultra sonic) sensor than I did with the (optical sensor) on the previous P8p.

I even compared both in hand before trading in the older phone and the P8p scanning was much better.

Though I have to mention; to improve the optical sensor reading I had to do 4 fingerprints with different brightness for each scan, and that what helped a lot.

Too bad I can't do the same with the Ultrasonic sensor since it doesn't care about the brightness on the screen.

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