I dont want to make a useless thread and ive been reading about JB and un locking all night. ive got a 3GS on orange ios 4.3.3 with a BB of 05.16.02 . now ive JB using sn0wbreeze. ive seen some youtube posts using limesn0w to unlock? i want to use an O2 sim, could anyone clarify if i can unlock my phone! thank you, thank you!