I love the Google Pixel, but there's no doubt that in the last few weeks I've noticed its fingerprint scanner becoming less and less reliable (I've heard it from others, too). I was puzzled, as the whole idea behind Google's Pixel Imprint is to become more accurate over time as it gets more and more reads of your finger. I tried removing my fingerprints and re-adding them, but that didn't help at all. So I went back to an old trick I used on some of the first touch-to-scan fingerprint reader phones - registering the same fingers more than once.

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