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Fix iTunes Error 1600, 1601, 1603, 1604 on Mac OS X Using Redsn0w as iREB [Step-by-Step Guide]

Here is a quick tip for those who want to restore iOS 4.3.2 custom IPSW on Mac OS X without any restore error. To restore iOS 4.3.2 custom IPSW, you need to put your iDevice into Pwned DFU Mode by using iREB. Unfortunately iREB for Mac OS X is not available yet, so here is a workaround which will teach you how you can patch the iBoot of your iDevice on Mac OS X using Redsn0w 0.9.6RC14.

Redsn0w as iREB in Mac

Steps to Put iDevice into Pwned DFU Mode to Restore iOS 4.3.2 CFW:

  1. Download iTunes 10.2.2 for Mac OS X from here
  2. Download iOS 4.3.2 stock IPSW for your iDevice from here
  3. Download Redsn0w 0.9.6RC14 for Mac OS X from here
  4. Launch Redsn0w 0.9.6RC14 and click on the Browse button. Choose iOS 4.3.2 stock IPSW and wait while Redsn0w process the provided IPSW.
  5. Redsn0w as iREB in Mac

  6. Uncheck all other jailbreak options except Just enter pwned DFU mode right now
  7. Redsn0w as iREB in Mac

  8. Plug your iDevice to your PC or Mac and turn it OFF completely by pressing the Power button.
  9. Redsn0w as iREB in Mac

  10. Now put your iDevice into DFU mode using the following instructions:
    • Hold down the Power (corner) button for 3 seconds.
    • Without releasing the Power button, also hold down the Home (bottom center) button for 10 seconds.
    • Without releasing the Home button, release the Power button BUT KEEP holding the Home button for 15 seconds until Redsn0w detects your iDevice in DFU mode.

    Redsn0w as iREB in Mac

  11. Now Redsn0w will patch the iBoot of your iDevice using Geohot's Limrea1n exploit.
  12. Redsn0w as iREB in Mac

  13. Once done, click on the Finish button to close Redsn0w. Launch iTunes, hold down the ALT (Option) key and click on the Restore button. Hopefully you will not get any 16xx iTunes error including 1600, 1601, 1603 & 1604 during the restore process.
  14. Redsn0w as iREB in Mac

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    Virgi8 years, 2 months ago

    thanks!! I can install whitedoor for my iphone 3G now…!

    Abhyshek9 years, 8 months ago

    I have the exact same problem as the first comment. Tried almost everything in the sun to restore it to iOS 5 at its normalcy. I deeply regret having jailbroken it. TU doesn’t help. Saved SHSH blobs too. Then using redsn0w I put it in the pwned dfu mode as well. But to no avail at all.
    Done the hosts edit also!
    Is there anyway to restore it to factory settings??

      Pramod9 years, 8 months ago

      iOS 5 isn’t being signed anymore by Apple & its blobs do not work like how it used to it versions 4.x & below. So you can’t restore to iOS 5 anymore. Cydia will not cache them either. Your only way out is to restore to iOS 5.0.1 instead or downgrade to another iOS version for which you have an SHSH saved already.

    Pissed Off Apple Fan Boi9 years, 10 months ago

    Did everything as instructed, however when attempting to restore in iTunes, was given error “The iPad could not be restored. This device isn’t eligible for the requested build”.

    Have adjusted the hosts file in /etc/ but still no luck.

    I wish Apple would fix their broken VPN under 4.3.5 and I wouldn’t have to go to all this trouble! I’ve now lost 5 hours on this inherently frustrating Apple experience.

      Pramod9 years, 10 months ago

      If your restoring to iOS 4.3.5, open up TU & set it to these settings & quit it. Now follow the restore procedures as usual. Your restores are failing because you do not have the necessary SHSH blobs saved for that particular version to which your trying to restore your device to. You do not have them saved either on Cydia / TU & hence yours hosts file failed as well. All you can do right now is to restore to stock iOS 4.3.5. Jailbreak if necessary on iOS 4.3.5 to confirm the availability of any older SHSH.

    Marcel9 years, 11 months ago

    Worked great, thanks a lot. :)