[AC Question]

i bye one Galaxy note 5 the first owner add gmail in ,, but when i format it, it doesn't open because it need password gmail (first owner gmail) but I don't know that password...
now how can I open it without that gmail?

[belodion]

You can't. Unless and until those details are entered, the phone will remain permanently unusable. It's a security feature.

[chanchan05]

You should contact whoever you bought it from to help you unlock it. You need the credentials for the original owner's gmail.