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Thread: redsn0w error (USB communication problem)

  1. #1
    Exclamation redsn0w error (USB communication problem)
    I've done this a bazillion times on my first gen or 3G iPhone (Because I can't get past sim card emergency calls screen), but I keep getting USB communication problem. I've unplugged the cord that goes into the iPhone and plugged it back in, rebooting redsn0w at the time, doing DFU SEVERAL times but it just won't work! Can you tell me what to do? Or, if there's a way to get past the emergency calls screen, let me know, please!

    Thanks,
    Alex311360

    EDIT: Also, redsn0w says: Connected: iPhone (4.2.1, 05.15.04)
    Last edited by Alex311360; 11-12-2012 at 05:18 PM. Reason: Forgot to add firmware info

  2. #2
    iPhoneaholic
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    Tried different cables or different computer?

  3. #3
    Don't have any other cords. Think I should try again? I unplugged and plugged back in the USB.

    Nevermind, just needed a older version and the 4.2.1 firmware ipsa. Thanks ModMyi what I want to Jailbreak system!
    Last edited by Alex311360; 11-13-2012 at 05:12 PM.

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