iPhone
Q: Touch ID Inop
Touch ID won't recognize my print anymore, and won't activate iOS 9.3.4 (13g35).
iPhone 6s, iOS 9.3.4
Posted on Sep 1, 2016 6:47 AM
by Meg St._Clair,Apple recommended
iPhone
Try deleting all of your registered prints and starting over.
See also this article:
Posted on Sep 1, 2016 6:57 AM