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My Face ID not working place Face ID recover
My Face ID not working place Face ID recover
This is generally a hardware issue. If the unit's on an OS version older than 16.5.1, you might be able to fix it by updating it from a computer or the Software Update function in Settings; otherwise, contact Apple Support.
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Follow the troubleshooting instructions in the Related Article above your post. This includes contacting Apple Support if the included instructions do not help.
Place my Face ID recover