How will I repair it
How will I repair my Face ID issue
How will I repair my Face ID issue
Have a look at these two articles -
If an alert says Face ID has been disabled on your iPhone or iPad Pro
If an alert says Face ID has been disabled on your iPhone or iPad Pro - Apple Support
If Face ID isn't working on your iPhone.
If Face ID isn't working on your iPhone or iPad Pro - Apple Support (AZ)
Have a look at these two articles -
If an alert says Face ID has been disabled on your iPhone or iPad Pro
If an alert says Face ID has been disabled on your iPhone or iPad Pro - Apple Support
If Face ID isn't working on your iPhone.
If Face ID isn't working on your iPhone or iPad Pro - Apple Support (AZ)
How will I repair it