Reset China android A7100 - Cell Phones

How can I unlock the starvision TV?

i really forgot my email and password the. please code to open my samsung android ching ,,,,,,a7100
ssn:a7100gsmh,,,,,,,,,,,,,,,850/1900 900/1800 thank,s

check here :

http://www.youtube.com/watch?v=kvRoEEUbors

try it in tge settings

TAKE YOUR CELL BACK TO YOUR CELL PROVIDER THE HAVE TO MASTER RE-SET YOUR CELL,BUT YOU WILL LOSE ANYTHING THAT YOU HAVE DOWN LOADED TO YOUR CELLL SUCH AS GAMES OR ANY DOWN LOADS...CELL IS RE-SET BACK TO ORIGINAL SPECS

Refer the video for battery replacement instructions. It's in a different language but it will help showing you the procedure.

I had this problem, a friend of mine sorted it out for my by downloading 1mobile market app

Bypasses the inbuilt play store china default country setting