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Hi guys I upgraded my iphone from firmware 4.3.5 to 6.1.6 but then it's failing to read a simcard. As a result, I'm failing to activate it without sim
anyone with an idea, pliz help

1 Answer

0 votes
answered by Expert (16.7k points)
The second generation iPhone does not support iOs 6.1.6 so this may indicate either you do not have an iPhone 2 but rather an iPhone 3GS.  If you have an iPhone 3GS.  You probably need to jailbreak it in order to accept a foreign sim, could be that your iPhone shipped locked, was jailbroken and after the upgrade you lost the jailbreak!

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