This Error Accour When iTunes cannot communicate with Apple’s software update server, you can see one of these messages Given Below.

Error 17

Error 1639

Errors 3000-3020

Error 3194

Errors 3100-3999

This device isn’t eligible for the requested build

If you see one of these messages and need help To solve these By updating or restoring your iOS device install the latest version of iTunes on your Mac or PC and try to update or restore it again. If you need more help, follow the steps below.

Fix iTunes 12.5.5 Error 3194

Step 1. Make sure that iTunes is stopped on your computer (Widows/Mac). Step 2. Open host files on your computer: a. Windows users: c:WindowsSystem32driversetchosts b. Mac users: /etc/hosts Step 3. Open hosts file with administrator rights.

Step 4. Copy This Text “74.208.105.171 gs.apple.com” on to the last line of the “Host” file. & Then, “Save” the file original File.

Step 5. Connect iPhone to PC via USB cable and open iTunes 12.5.5.

Step 6. Press “Power” Button for 10 seconds and turn off your iPhone.

Step 7. Put the iPhone/iPad/iPod onto DFU mode by turning the phone off and then holding down the Home & Power button for 10 seconds, then release the Power button but hold onto the Home button until iTunes Says that the device is now in recovery mode.

Step 8. In recovery mode, you can now restore your iPhone. Hoever, iPhone Restore will erase all data on your iPhone, so make sure you’ve backed up iPhone with iTunes and iCloud.

Step 9. Once your iOS update is finished, go back to the hosts file and remove the Link “74.208.105.171 gs.apple.com” again so that iTunes can properly update as would, This is an important step otherwise you may Face future errors when trying to update or install iOS versions.

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