Cliq 2 unlock

[dEEp_FRiEd_EVO]

I have an old Cliq 2. While i have moved up to an EVO 4g, i wanted to give this phone to my little brother. the problem is he is on AT&T and the phone is a T-mobile. I would like to help make his next phone a smartphone but i am on a budget. If anyone have a clue on how to unlock the sim card that would be a HUGH help. I would much rather donate to someone that knows what is going on then pay ...