forgot google id

[AC Question]

our son locked with fingerprint on dad's Samsung galaxy s5 and the print is no longer recognized. the dad does not remember his google account details. is there anyway the phone can be unlocked without losing the information in the phone. please help. very desperate mum

 

[Golfdriver97]

If he knows the gmail address, he can send recovery info to the other email address that he put in during setup.