How To Fix iTunes Error 3194

Posted by Diya on June 6, 2011 in Apple

If you run into iTunes error 3194 when you’re trying to restore your iPhone, iPad, or iPod Touch, this post is made for you.

You can easily fix the iTunes Error 3194 by temporarily blocking Apple’s firmware signing services. Error 3194 is usually triggered when an unsigned firmware is used, often during an iOS downgrade or even during some restores. The fix works regardless of the operating system you’re using and here’s how to resolve the error:

  • Quit iTunes
  • Locate your hosts file. If you’re using Mac OS X, it’s in /etc/hosts and if you’re using Windows, it’s in C:windowssystem32driversetchosts
  • Open the hosts file with Administrator privileges
  • Add the following 2 lines to the very bottom of the hosts file: and
  • Connect your iPhone or iPod or iPad to the same computer
  • Launch iTunes
  • Put the iPhone/iPad/iPod into DFU mode by turning the phone off and then holding down the sleep and power button for 10 seconds, then release the power button but hold onto the home button until iTunes tells you that the device is now in recover mode
  • Use the iTunes Restore feature as usual with the iOS device

Once your iOS update is finished, remove the 2 lines you had added in the hosts file.

Let us know if you continue to face the iTunes error 3194.

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