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> Also, iirc iphones have this feature where if you appear to be under duress, it will refuse to unlock and disable face id. Is this true?

heh it would suck to be beaten with a wrench to unlock your phone and, finally, to make it stop you relent but then the phone is like "nope, sorry. if you're gonna be dumb you gotta be tough".

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If you’re worried about wrench attacks then you’re already in a situation where encryption won’t help you. They may beat you anyway if they don’t find what they’re looking for on the phone, or they may just kill you for being a nuisance to power.

What if they only did body blows so there was no bloody nose or black eyes? Does FaceID notice if your eyelids have been taped open?

Or they beat your loved ones in front of you. No physical damage or misremembering passwords due to blunt force trauma to the noggin.

That's a lot of witnesses though

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