Someone gave me a phone which I'd like to return to it's owner.
Problem is, the screen is PIN locked. I've tried the various screen unlock techniques that are available on the net, and none of them work.
I suspect it's a recent version of Android (?) which has since plugged those types of holes.
Also, the SIM is prepaid, so couldn't track down the owner via a postpaid account. I contacted the SIMs Telco and they said the only contact number on file is the SIMs phone number.
I'm relatively computer literate, so am not averse to trying a benign hack just to get past the lock screen.
Phone is a Galaxy S4.
Any help/ideas, would be greatly appreciated. Cheers.