Can't activate Touch ID on iPhone 6
touch id cant activate
[Re-Titled by Moderator]
iPhone 6, iOS 12
Question marked as
See these support guides:
Use Touch ID on iPhone and iPad - Apple Support
and/or
If Touch ID isn't working on your iPhone or iPad - Apple Support
If you get no improvements, it could be a hardware failure. Have your iphone inspected at an Apple Store or Authorized Service Provider: Apple – Location Selector
Regards
Giulio