1. Dan Porter's Avatar
    Hello (:

    I have just jailbroken my iPhone 4 using redsn0w, which is running iOS 6.1.3, and the Modem Firmware is 04.12.05.

    I want to unlock my iPhone 4 to all networks. How do I do this? I've looked on the internet for hours and hours and I have had no luck.

    I did it to a iPhone 3G a while ago, and I just downloaded something from Cydia which did the job for me - but I cant remember what it was called; nevertheless, it's probably different because it's a different phone.

    I have NO SIM.

    Any help is appreciated (:

    -Dan
    05-26-2013 06:17 AM
  2. Laelipoo's Avatar
    The app you used was ultrasn0w, but your modem firmware (baseband) is not compatible. Your only option would be an imei unlock, unless there is a new sim interposer that works on 6.x.
    05-26-2013 08:47 AM

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