Face time and iMessage
Unable to get my phone number verified on iMessage as well as FaceTime despite of every instructions on support page .
iPhone 13, iOS 15
Question marked as
Top-ranking reply
Make sure your SIM will make calls and can access the internet.
Then
Settings, Messages, Turn off iMessage
Settings, Face Time, Turn off Face Time
Restart the phone.
Settings, Messages, Turn on iMessage, SMS, MMS
Settings, Face Time, Turn on Face Time
Problem activating iMessage
See If you can't turn on or sign in to iMessage or FaceTime – Apple Support (UK)