When sharing an iPhone with a friend or family member, it's most convenient to give them easy access to unlock the phone and while Apple doesn't intend for Face ID to be used by more than one person, it is possible to set it up that way. Sharing an iPhone doesn't necessarily mean that the other person doesn't have their own, but each phone might have features, apps, or content that isn't available on another.
Apple switched to Face ID for its flagship phones when it removed the Home button. The
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