I bought a second hand Iphone 3gs 32gb 3.1.3 from UK. It was working perferctly till I accidently updated using Itunes 10. Now it is in Emergency call mode and asking for a valid sim to unlock.now i am in pakistan and i don’t know about actual sim.it was in 3.1.3 and after now updating itz 4.0….i have tried to downgrade but 3194 error came.
Could anyone help. Please please please please please please please please…………………………………….. …:confused:please please please please please please please please please……………….:confused: