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Fix iTunes Error 3194 When Restoring or Updating iPhone/iPad

When we try to restore or update an iPhone/iPad from an iTunes backup, sometimes we get a pop-up window with the message that "iPhone cannot be restored. An unknown error (3194) has occurred." If you see this message, install the latest version of iTunes and try updating or restoring again. If that doesn't work, follow these steps to fix iTunes error 3194.



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Note: This guide may also be useful in order to fix the following errors in addition to error 3194:

  • Error 17

  • Error 1639

  • Errors 3000-3020

  • Errors 3100–3999

  • this device does not meet the requirements for the requested build

  • How to Fix iPhone Error 3194 with Hosts
  • Check the network connection on your Mac or PC
  • Restore or update iPhone without iTunes

How To Fix iPhone Error 3194 With Hosts File

Error 3194 often occurs when iTunes on your computer can't connect to Apple's software update server. This is usually caused by an unsigned or expired firmware used during iOS update and restore, or a network connectivity issue on the computer.

The first way you can use is to edit the hosts file on your computer to make sure iTunes can communicate with Apple's update server. Here are the specific steps:

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

STEP 2 Open the host files on your computer:

  • For Windows PCs : c: windows system32 drivers etc hosts

  • For Mac: Open a terminal, enter this command and click Return: sudo nano/private/etc/hosts/etc/hosts

STEP 3 Open the hosts file as an administrator.




STEP 4 Copy "" to the last line of the Hosts file. Then » Save the file.




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

STEP 6 Put your iPhone/iPad/iPod into DFU mode by turning off the phone and then holding down the Home and Power buttons for 10 seconds, then release. Power button, but hold down the Home button until iTunes tells you that the device is in recovery mode.



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

STEP 8 After the iOS update is complete, go back to the hosts file and delete the line "" again so that iTunes can update normally as usual. This is an important step, otherwise you may encounter errors in the future when trying to update or install iOS versions.


What if you're still getting error 3194 or another iTunes error?

If you still see an iTunes 3194 error after adding "" to your hosts file, or if you get an error from the new iTunes, you'll go back and add a "#" and a space ("#") before writing By adding "#", you invalidate the IP string For example, if you see the string: Add a "#" to turn it into:


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

Check the network connection on your Mac or PC

In addition to modifying the host files to fix error 3194, you can also stop error 3194 by changing the network settings on your computer.

  • Make sure your computer can connect to the Internet. Otherwise, restart your computer and modem, or contact your network provider.

  • If you're using a wireless router, try using an Ethernet cable to connect your computer to your modem.

  • Temporarily uninstall the security software on your computer.

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

Restore or update iPhone without iTunes

FonePaw iOS System Recovery is designed to fix various problems with iPhone, iPhone stuck on Apple white 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 can't restore your iPhone using iTunes, you can use iOS System Recovery as an alternative.



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


STEP 2. If the app can recognize your phone, check the information on the screen and continue. What's more, you need to choose the right phone model to download the firmware, and your device model is on the back of your iPhone.




STEP 3. After successfully loading the firmware in the stable network, the program will repair.



STEP 4 As the progress bar goes to the end, the screen displays the suggestion: Repair Complete. Your phone may now reboot, but it will return to normal.




After that, the iTunes 3194 error when updating to iOS 11 will be fixed on its own. If you are not very clear what to do, it is better to seek help from specialists. Share this message with your friend if you find it helpful.