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Thread: How to Upgrade 3GS with IOS 4.1 to IOS 6.1.2 already jailbroken, unlocked at 4.1

  1. #1
    Default How to Upgrade 3GS with IOS 4.1 to IOS 6.1.2 already jailbroken, unlocked at 4.1
    Hello, Newbie at this forum

    I have a 3GS, IOS 4.1. I need to upgrade it to 6.1.2. This is a new bootrom A4 device. I know that 6.1.3 is tethered on new bootroms.
    I cant remember the BB, as I do not have it with me this very moment. The phone is now jailbroken and unlocked with Ultrasn0w.

    How can I (IF) upgrade it to 6.1.2 without getting all the 3194 and 1600 messages from Itunes ? I have saved SHSH blobs for 4.1.
    I used sn0breeze to create custom fw and used the simple method to do so. I was then prompted to use Itunes to restore using the Shift+restore combination. I got 3194 and 1600 messages.

    Can I or not do it ?

    Thank you !

    I

  2. #2
    Retired Moderator 2k1's Avatar
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    You gitting then errors cause you don't have the blobs for 6.1.2 you not gonna be able to go to that firmware. 6.1.3 will be where you gonna have to go to or stay where ya at. 6.1,3 has a jailbreak but its tethered.

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