iOS 3.1 Help! Need to downgrade iPhone 3gs 3.1 to 3.0

Discussion in 'iOS Jailbreak & Cydia' started by carri07, Oct 8, 2009.

  1. carri07

    carri07 New Member

    Aug 30, 2008
    Likes Received:
    iPhone 3GS (Black)
    Hi, I bought an iPhone on eBay and I had to take it to the apple store and since It was jailbroken, i had to restore it because I had to take it to the apple store. Since I had 3.0.1 because I have t mobile , they restored it because they said the 3.1 would solve the problems(which didn't ) I now can't use my phone. Therefore I need instructions on how to downgrade to 3.0. I did send the files to cydia. I have tried many stuff but nothing works. So can anyone give me instructions or refer me to a guide that will surely work.

    I would appreciate any help since I haven't had a phone since Tuesday. And I need it for my work.

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    Btw I have windows vista ultimate

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