i HAVE a 1.1.2 unlocked and jailbroken i phone(originally 1.0.2 otb), everything works, except when i put my sim from the philippines it doesnt get any signal/service. im on ATT's network, and travel a lot so i gotta to have sim from different countries, i unlocked with anysim 1.2.1u it said unlocked successfully, i installed iworld too, still no signal i have downgraded/upgraded/downgraded even upgraded to 1.1.3 (just dont like it), nothing seems to work. please help me try to figure out my problem.