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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..

Posted on Feb 29, 2012 4:17 AM

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5 replies

Feb 29, 2012 10:52 AM in response to swaraj.vidhate

It is what I thought already. The problem is, that when you buy a second hand iPhone, you never know what someone did to it. A jailbroken iPhone you should never try to update, because then it won't work anymore. You can use it, but NEVER try to update. This was a painful lesson, I feel for you. In this forum you will not find any halp on this problem. You may try in some other forum perhaps. 😟

insert valid sim with no pin code

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