You're going to have to give us more to go on if you want any help. What exactly is the phone doing or not doing? What error messages are you getting? Is there information in the Settings page telling you there's a problem?
Try reading through some of the information on Face ID problems under the Techniques section of the iPhone X device page.
You're going to have to give us more to go on if you want any help. What exactly is the phone doing or not doing? What error messages are you getting? Is there information in the Settings page telling you there's a problem?
Try reading through some of the information on Face ID problems under the Techniques section of the iPhone X device page.
iPhone X - iFixit
Jerry Wheeler さんによる