iPhone 12 face id issue
iPhone unlocking with my cousin’s and mine face id. The strange part is that he has not even set an alternate id in the phone.
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Hey There 🙋🏽♂️
Before you set up Face ID, make sure that there isn't anything covering the TrueDepth camera or your face. Face ID is designed to work with glasses and contacts. You can't set up Face ID if anything is obstructing your nose and mouth, like a face mask. Face ID works best when your iPhone or iPad is approximately an arm’s length or closer (10-20 inches) from your face.
Also your head movements while you setup Face ID and the brightness of the room, If you’re being steady while setting up Face ID are all factors that could influence how well Face ID is able to scan your face.
For more information have a look in here: https://support.apple.com/en-us/HT208109
Hope this helps,
Best,
Aryan