iOS 4.0 restore plus no upgrade.

Discussion in 'iOS Jailbreak & Cydia' started by Scribbles, Sep 29, 2010.

  1. Scribbles

    Scribbles New Member

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    Hey guys just want to make sure all goes well with my purchase tomorrow. My friend at school is trading me an iphone 3g with version 3.1.2 and firmware 05.11.07 for my 3g that has been upgraded to 4.1. I want to jailbreak/unlock his phone but need to restore it first. I have restored without upgrading on a mac many times, but he has a windows and im not sure what is the same and different. So i dont want to mess up this phone so what are the steps to restore without upgrading on his pc?

    Thank You
    Patrick
  2. SuperMario

    SuperMario Active Member

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    You can restore on a Mac fine, but I think you need blobs
  3. Scribbles

    Scribbles New Member

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    My friends iphone is not jailbroken so i can no get blobs. I downloaded the 3.1.2 ipsw. Do i just shift click restore or do i have to put the iphone in a special mode?
  4. SuperMario

    SuperMario Active Member

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    Usually you put it in dfu mode
  5. austinmartin

    austinmartin New Member

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    I his is an mb model, you should be able to downgrade to 3.1.2

    put it into DFU mode, then shift restore.

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