this post was submitted on 28 Aug 2024
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[–] cheese_greater@lemmy.world 68 points 2 months ago (11 children)

Factory reset doesn't delete persistent app data enabled by app developer [paraphrased]

What about Erase All Content and Settings? You seriously can't fully erase a second-hand phone you bought?! That's insane

[–] mbirth@lemmy.ml 14 points 2 months ago

I can’t see what was posted above anymore, but the DeviceCheck API lets app developers store 2 binary digits (that means 4 different states: 00, 01, 10 or 11) per device on Apple’s servers. So, no, these don’t get erased during a Factory Reset as they’re stored on Apple’s servers. But your phone will.

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