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  1. jlconlin's Avatar
    I want to upgrade my 3GS to iOS 4. I do not have an AT&T sim card. Can I use It seems if I upgrade to iOS 4 in iTunes then my phone will get stuck in recovery mode. Is this correct? I'm currently running iOS 3.1.3 jailbroken using Spirit so I don't have any other way of upgrading.

    2010-08-03 02:40 PM
  2. hernlui's Avatar
    Good question, there is an application to kick your iphone out of recovery mode called RecBoot. I tried it before in normal recovery mode and it works fine. Yesterday I restored to 4.0.1 to use but RecBoot does NOT kick mine out before activation.
    I did have an ATT sim laying around, put it in just to get out of recovery mode and went about to perform the jailbreak, then switched it to my sim and everything works fine.
    2010-08-03 03:30 PM