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Thread: iPhone 3G downgrade from 4.0.1

  1. #1
    Default iPhone 3G downgrade from 4.0.1
    A friend of mine gave me his iPhone 3G (4.0.1). As you is slow as hell. He wants to downgrade it back to 3.1.3, but I didn't know if it was possible without him having his SHSH blobs saved from Cydia. The phone is jailbroken and unlocked as of now, and when I read this article/tutorial it says Apple stopped signing the older iPhone 3.1.3 models. Is this true? and how accurate is this tutorial on downgrading the iPhone 3G?

    How To Downgrade iPhone 3G From iOS 4 To iPhone OS 3.1.3 - iPhone Hacks

  2. #2
    Retired Moderator j3st3r's Avatar
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    Mar 2008
    Thanked 405 Times in 395 Posts

    that guide is correct but instead of recboot use tinyumbella to kick the phone out of recovery mode (much easier and no need for libusb)

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