Okay so I got the S2 a couple of weeks ago and I love the phone and heard it had a lot of cool features if rooted. So I rooted the phone and it was amazing BUT I couldnt wifi tether and my vibration stopped working. So Im going to take the phone back so i have to un root. CAN SOMEBODY PLEASE HELP ME! BTW I downloaded the stock kernel and tried to flash it with Odin and it keeps crashing. Help please......