How do I put Face ID on, it’s not letting me

Lil_w Said:

"How do I put Face ID on, it’s not letting me: My iPhone found an issue with Face ID, and it’s not letting me set it up again."

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Overview this Link: If Face ID isn't Working on your iPhone or iPad Pro - Apple Support

If the link in blue above your name on this page doesn't help, you will need to make an appointment at the nearest Apple Store for a repair...

Apple Store - Find a Store - Apple