4 ms·Only on the iPhone X and possibly the 8.by jolux 9y agoOnly on the iPhone X and possibly the 8.duskwuff 9y agoFace ID only exists on the iPhone X, so you don't need a way to turn it off on other devices. :)jolux 9y agoTouch ID though. (edit: I see what you mean. I didn't see parent didn't mention Touch ID)