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Error message 1604

Discussion in 'iPad 2 Forum' started by misey, Nov 2, 2011.

  1. misey
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    misey iPF Noob

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    I have tried to upgrade several times to the iso5 I get the same error message every time can some on please help. Any suggestions? I have tried on different computers. Have updated iTunes reinstalled still can not update
  2. iFrog
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    iFrog Super Moderator Staff Member

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    Error 1604

    Device was not pwned (signature checks were not blocked). Custom firmware can't be restored. Can also happen when there's a problem with the IPSW.

    ====================

    You are just trying a normal restore from itunes?
  3. iFrog
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    iFrog Super Moderator Staff Member

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    Check this as well... from other post

  4. misey
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    misey iPF Noob

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    I have 4.3.5 currently. My ipad2 is only 3 months old. I was trying to update to 5
  5. NRSNicky
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    NRSNicky iPF Novice

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    According to Apple support: The 1604 error occurs when you are trying to restore your iDevice to a firmware version that iTunes sees as being older than what's on it currently. The trick is to put the iDevice into DFU mode as opposed to Recovery. DFU mode has only a black screen and is thus bypassing the iBoot sequence which checks the firmware version. Recovery is when iBoot has already loaded. Recovery has the iTunes and USB cable symbols on the screen.

    Put the iDevice into DFU by first connecting it to the computer and starting iTunes. Then, press and hold both the power and home buttons for exactly 10 seconds. At 10 seconds, release the power button but continue holding the home button. After a few seconds more, iTunes should see the iDevice and still report that it's in recovery mode, but your iDevice screen will stay black.

    At this point, you can option-Restore the device to the current released firmware. Hope this helps!
  6. misey
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    misey iPF Noob

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    Thanks I will try that and let you know
  7. AdmiralAdama
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    AdmiralAdama Super Moderator Staff Member

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    I got the 1604 error attempting to upgrade to iOS5 from a PC running XP. Tried everything. Finally went to the Apple Store. They loaded O5 for me and everything's good now.
    AA
  8. misey
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    misey iPF Noob

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    So I attempted once again and still got the error 1604. I did notice every time I click upgrade it kicks me off the Internet could that be the problem. It goes all the way to updating and then says can not update error 1604. Ugh I give up!
  9. f4780y
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    f4780y Super Moderator Staff Member

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    You might want to try this - http://www.ipadforums.net/jailbreak...lsafe-method-restore-current-version-ios.html

    I would suggest if you have never been jailbroken then skip Step 2, but absolutely follow the rest... You should get IOS5 installed OK if you follow all the steps.
    Last edited: Jan 29, 2013
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