this post was submitted on 13 Aug 2023
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iPhone SE 4 Rumored to Feature Action Button, USB-C, Face ID, and More (www.macrumors.com)
submitted 2 years ago by tst123@lemmy.world to c/technology@lemmy.world
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[–] abhibeckert@lemmy.world 4 points 2 years ago* (last edited 2 years ago)

when you try to log in again your iPhone compares your face by repeating step 1 and 2 (but not storing the map this time) and comparing it to the map created in step 2.

It stores the map every time. That way if, for example, you grow a beard or gain/lose weight the stored data will be kept up to date.