insert valid sim with no pin code
i buyed iphone 4s ....i updated it to ios 5.0.1 now it starts from start screen and says insert valid sim with no pin code....what does this mean i inserted many sim cards but not working ....m stuck at activation screen n cant do anything...my baseband is 1.0.13 and having model 9A405
iPhone 4S, iOS 5.0.1, insert valid sim with no pin code..