Fix iTunes Error 3194 while Restoring or Updating iPhone/iPad

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This post will show the proven methods to fix iTunes error 3194 during iPhone/iPad restore or update. You can fix the problem with hosts file or a recovery tool - Passvers iOS System Recovery. If you want to make things easier, you can download the app and move to part 3.

When we are trying to restore or update iPhone/iPad from iTunes backup, sometimes we will get a popup saying that "The iPhone could not be restored. An unknown error occurred (3194)." If you see the message, install the latest version of iTunes and try to update or restore again. If this doesn't help, follow the steps below to fix iTunes 3194 error.

iTunes Error 3194
  • Error 17
  • Error 1639
  • Errors 3000-3020
  • Errors 3100-3999
  • This device isn't eligible for the requested build

How to Fix iPhone 3194 Error with Hosts File

Error 3194 often happens when iTunes on your computer cannot connect to Apple's software update server. This is usually caused by unsigned or expired firmware used during an iOS upgrae and restores, or network connection problem on a computer.

The first method you can use is to change hosts file on your computer to make sure that iTunes can communicate with Apple's update server. The following are specific steps.

STEP 1 Make sure that iTunes is stopped on your computer (Widows/Mac).

STEP 2 Open host files on your computer:

  • For Windows PC: c:\windows\system32\drivers\etc\hosts

  • For Mac: open Terminal, type this command and press Return: sudo nano /private/etc/hosts/etc/hosts

STEP 3 Open hosts file with administrator rights.

Open Host File

STEP 4 Copy "" into the last line of the Hosts file.Then, "Save" the file.

iTunes 3194 Error Host File

STEP 5 Connect iPhone to PC via USB cable and open iTunes.

STEP 6 Put the iPhone/iPad/iPod into DFU mode by turning the phone off and then holding down the Home 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 recovery mode.

iPhone Recovery Mode

STEP 7 In recovery mode, you can restore iPhone. Hoever, restore iPhone will erase all data on your iPhone, so make sure you've ever backed up iPhone with iTunes or iCloud.

STEP 8 Once your iOS update is finished, go back to the hosts file and remove the "" line again so that iTunes can properly update as usual. This is an essential step otherwise you may encounter future errors when trying to update or install iOS versions.

What If You Still Get Error 3194 or Another iTunes Error?

If after adding "" to hosts file, iTunes error 3194 still shows up or a new iTunes error appears, you go back and add the "#" and a space ("# ") in front of the entry. By adding "#", you void the IP line. For example, if you see the line: Add "#" to turn it into:


Then save the hosts file and restart your computer. After the restart, restore or update your iPhone, iPad, iPod Touch with iTunes as usual.

Check Network Connection on your Mac or PC

Besides changing the hosts files to fix the error 3194, you can also stop error 3194 by adjust network settings on your computer.

  • Make sure your computer can connect to Internet. If not, restart your computer and modem or contact your network provider.
  • If you are using a wireless router, try to use an Ethernet cable to connect your computer with modem.
  • Temporarily uninstall your security software on your computer.

If none of above methods can fix the unknown error 3194, you may use iOS System Recovery to restore or update iPhone without iTunes

Restore or Update iPhone without iTunes

Passvers iOS System Recovery is designed to fix various iPhone problems, iPhone get stuck at white Apple screen, DFU Mode, black screen; iPhone/iPad/iPod Touch is disabled or locked, etc. The program can restore and update iPhone, iPad, iPod Touch. So if you cannot restore iPhone with iTunes, you can use iOS System Recovery as an alternative.

STEP 1 After installing the program and connecting iPhone to computer, open iOS System Recovery.

STEP 2 If the program can recognize your phone, please check the info on the screen and continue. What's more, it is in need to select the correct phone model to download the firmware and your device model is on your iPhone's back side.


STEP 3 When the firmware is downloaded successfully with stable network, the program will handle you case with repairing.

STEP 4 As the progressing bar goes to the ending, the screen will show you a sentence: Repair completed. Now, your phone may reboot but it will return to normal state.


After that, iTunes 3194 error while updating to iOS 11 will be fixed on your own. If you are not very clear what to do, you'd better turn to the experts for help. Please share this post to your friend if you think that it is useful.

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