iPhone 11 Pro. My Face ID disnabaled

Update it from a computer or the Software Update function in Settings, or contact Apple Support.

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With iPhone 12 models and later using iOS 15.2 and later, you can go to Settings > General > About to see the parts and service history of your iPhone and you can see if the camera has been replaced. If the repair was done using genuine Apple parts and processes, you will see "Genuine Apple Part" next to Camera.

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