I had to restore my iPhone 3GS version 5.0.1 due to it being stuck on the apple logo no when I try to activate it iTunes says there is no sim card installed when it's clear that there is maybe the simcard hold or around there is broken cos it worked before, ive tried jailbreaking it again and pressing deactivate using red snow b3 and b4 plus trying to hackivate using snowbreeze but still the problem is there is there any way I can resolve this problem? i posted on yahoo answers and someone suggested that i take it back to the carrier i got it from or downgrading the software please been trying to fix this for about 3 hours please email waynef07@hotmail.com