iPhone 3G downgrade iphone 3g 4.0 problem

Discussion in 'iPhone' started by applehacker, Sep 12, 2010.

  1. applehacker

    applehacker Banned

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    can i downgrade iphone 3g 4.o to 3.1.3 without shsh blobs saved its a mb model
  2. JayZ11

    JayZ11 New Member

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    im pretty sure that mb models dont have ECID so they dont have or require shsh blobs.so yes you should be able to downgrade!
  3. ripply

    ripply Active Member

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    Pretty much as said above. iPhone 3G doesn't have SHSH blobs for anything less than 4.0. So go ahead and downgrade. Make sure you're using alower version of itunes such as 9.0 or bellow. And it's in DFU mode

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