I went to talk to the people at the AT&t store and at the cricket store and I was not helped at all and not long after that my SIM card stopped working. Did you ever get it unlocked? I bought mine used also, I had got this device because I had a cricket phone that broke, and the SIM card that was in it had worked only in cricket phones before, 2 of them! It was at&t service paid for by my lifeline program so I bought a phone that my SIM card wouldn't work in.
