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Astronaut

Galaxy A5 (2016) Authentication Issues

Hello,

 

I've been using my A5 for more than four years now (bought it in February 2016). All has been fine until today when the authentication methods (fingerprint and the 4-digit PIN) suddenly stop working. Yesterday, the problem went away when I restarted the phone. But today, the authentication methods work only after I restart the phone, and when the phone is locked after one minute of no activity, I can't get back in. I have already tried the Safe Mode and the authentication methods work as normal there. FYI, the OS is Android 7.0 (Nougat).

 

Is there any solution to this?