You don't seem to understand how face ID works. Check it out in the video on Apple's site or something, smiling or frowning aren't going to change the way face ID works.I think we can customize our faceid for an extra layer of security
I mean you can smile a little when you are register your facid so, even the police can’t unlock your iphone x just placing it in front of your face. Or you can register faceid while you are a little bit
frowning or angry
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