[help] downgrading from official ios 4 to 3.1.3

Discussion in 'iPod touch' started by elysse16, Jun 23, 2010.

  1. elysse16

    elysse16 Member

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    so i have 2g/3g ipod touch 8gb mc model with ios 4, is there a way to downgrade to 3.1.3?
  2. Just_For_Now

    Just_For_Now Active Member

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    Err, If you have your 3.1.3 firmware then go on iTunes > Your device > and click Restore while holding Shift > locate your 3.1.3 firmware and select it.
  3. -lkv-

    -lkv- New Member

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    You can but youll get an error 1015
  4. IDK12

    IDK12 New Member

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    i need help with this too. It said the device is not eligible for this built. Someone help please.
  5. elysse16

    elysse16 Member

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    so there's no way to downgrade?
  6. aznboy00792

    aznboy00792 New Member

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    Sorry, Couln't resist, had to make a account just to help you. Anyways, I had the same problem, I was hyped up about the ios4 but then when I actually got the firmware installed it wasn't what it was advertized as, My jailbroken ipod touch can do more than the ios4.. the reason you are getting these errors is because apple has begun to sign the firmwares so once you upgrade you can't downgrade, unless the firmware is signed by apple and is from the apple site. What I found out is that the 3.1.2 firmware is unsigned as of yesturday.. I snaged that and downgraded.. and so far its good and even though its a lower version, it works. I downloaded it from the Felix website, or the Wiki website. :]
  7. elysse16

    elysse16 Member

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    what do you mean by signed firmwares?
  8. aznboy00792

    aznboy00792 New Member

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    Its like the idea of banning jailbreaking- they don't want modded firmwares on iDevices, its like a electronic signature thats compiled in the firmware distributed by apple, and itunes now uses that, if there is no signature then no downgrades or upgrades.
  9. elysse16

    elysse16 Member

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    i downloaded the 3.1.3 firmware from felix website and i get the error when i tried to restore. is the firmware signed?
  10. aznboy00792

    aznboy00792 New Member

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    yes, I believe anything above 3.1.3 is signed I used the 3.1.2 and its not. Be careful, we arn't allowed to speak of firmware from other sites.

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