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Thread: iPhone 3GS Downgrade Problem

  1. #1
    Default iPhone 3GS Downgrade Problem
    I accidentally upgraded my 3GS to official iOS4, previously it was on JB 3.1.2.

    1. Is it true that as long as save my SHSH blobs and upload to Cydia server, I can downgrade to any version I want?

    2. What is the correct procedure to jailbreak an official iOS4 on my 3GS now?

    Appreciate all your inputs, thanks in advance!

  2. #2
    Livin the iPhone Life Simtech's Avatar
    Join Date
    Aug 2007
    Thanked 304 Times in 276 Posts

    You can only downgrade to the versions of the blob files you have saved.
    So if you only have 3.1.3 blobs, you can only downgrade to 3.1.3, etc.

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