I work in a pawn shop and bought a droid 3 of a guy today. I was able to get into the phone and make sure it was in working order and it was. issue is i dont hvae his lock pass codeits the one were u draw on the screen so im trying to do a hard rest. Ive gotten to the screen with the android and the triangle with the ! in it but when i hit the volume buttons nothing happens. what can i do any ideas?