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Thread: Upgrade from iOS 6.1.3 to iOS 7.0.3

  1. #1
    Default Upgrade from iOS 6.1.3 to iOS 7.0.3

    I have a Sprint iPhone 4s on iOS 6.1.3, I just got a rSim 9pro in order to upgrade & unlock my phone, but have been tested only on 7.0.x, I download the ipsw 7.0.3. But every time I tried to restore my phone with iTunes I get severals errors. I did my research before post this thread and the problem is something about apple signatures.

    I don't know if there any other way to upgrade my phone to a non 7.1.x version.

  2. #2
    Superbad Modder-ator Simon's Avatar
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    Nov 2007
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    No way to do now unfortunately. Not sure if that one will work with 6.1.3 but I know they did have gpp/gevey/rsims for 6.1.3.

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