iOS 4.0 4.0 -> 3.1.3 with simple restore?

Discussion in 'iOS Jailbreak & Cydia' started by Fieryfear, Apr 12, 2010.

  1. Fieryfear

    Fieryfear New Member

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    Hey All,
    IS it possible to downgrade from OS 4 to 3.1.3 using simple restore function in Itunes?
  2. cameleon1267

    cameleon1267 Member

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    no.

    put your iphone or ipod touch in DFU mode. restore to 3.1.3. iTunes will give you an error but at this point the firmware is installed, except you are stuck in recovery mode.

    use irecovery to kick the phone out of recovery mode.

    launch irecovery in a terminal and use the following commands:

    setenv auto-boot true

    saveenv

    /exit

    press enter at the end of each line
  3. Fieryfear

    Fieryfear New Member

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    Hey,
    Thx.
    Same for Windows/Mac? (Commands i mean)
  4. jmwerkus

    jmwerkus Active Member

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    sweet. ive been trying to do this like all day

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