How to google unlock a galaxy s7that was gave to me
How to google unlock a phone that is Gmail locked that was gave to me without the Gmail account and password
The person that gave it to you should be able to unlock it, if they are the actual owners.
Really? …… hold the home button and volume at the same time and then power it on choose the factory reset button reboot or whatever it says just do what it tells you from there and there you go