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Discuss Restoring on unactivated 3G at the PwnageTool -; In short, my 3G has iOS4.0 on it, but it's not been activated and I ...
  1. #1
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    Default Restoring on unactivated 3G

    In short, my 3G has iOS4.0 on it, but it's not been activated and I do not have the AT&T SIM card it came with (too long of a story to go into how it got to be that way). I want to downgrade it to 3.1.2, so I made a custom IPSW with PwnageTool, but when I try to restore it in DFU mode I get the iTunes 1600 error. I read that I could try to put the phone in restore mode instead, but when I do that iTunes shows the phone is connected, but says that the phone has an unauthorized SIM card or no SIM card. Can I activate it somehow without a card in it or get around the 1600 error?

    Any help is appreciated.

  2. #2
    Super Moderator Array n1ckn4m3's Avatar

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    Yes, since it's a 3G, you can downgrade to 3.1.2 and use redsn0w / blackra1n to hacktivate the device. I recommend redsn0w, but a month or so ago when I was trying to do the same thing I had difficulty getting redsn0w to hacktivate the device for me -- it would jailbreak, etc., but when it was done it would just kick me back to the Activation screen.

    Used blackra1n and it worked like a charm.

    Good luck!
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