Can i jailbreak an unlocked iphone 4g 6.1.2?

[SolracSanchez]

My AT&T iphone is flashed to tmobile. can i jailbreak it? or will it loose its flash.

 

[ProcrastinatingZombie@3]

Yes you can.
*For future reference, if you plan to jailbreak, do not update anymore.*
Youtube it or google it