i Tunes error 3194 generally occurs while updating or downgrading i Phone or i Pad.
It can be best described as a communication breakdown and happens when i Tunes is not able to establish communication with Apple’s servers.
Apple’s support page for specific errors on i Tunes isn’t all that helpful.
For starters, Apple isn’t all that interested in people downgrading their i OS firmware.
There are some handy tricks that fix i Tunes error 3194.
If you have a jailbroken i OS device and haven’t been able to troubleshoot this error, we have got tricks to help you out as well.
Make sure that i Tunes is stopped on your computer (Widows/Mac). Now, your phone may reboot but it will return to normal state.
Hoever, restore i Phone will erase all data on your i Phone, so make sure you've ever backed up i Phone with i Tunes or i Cloud. Once your i OS update is finished, go back to the hosts file and remove the "188.8.131.52 gs.apple.com" line again so that i Tunes can properly update as usual.
How to Fix i Tunes Error 3194 During i OS Update on Your i Phone, i Pad or i Pod Touch: You’re just trying to update / upgrade the firmware but i Tunes keeps throwing up this error.
In most cases, it’s because of a simple problem with the hosts file.
Here’s how to fix it: Again, if you’re lucky, this should work.
When we are trying to restore or update i Phone/i Pad from i Tunes backup, sometimes we will get a popup saying that "The i Phone could not be restored. Connect i Phone to PC via USB cable and open i Tunes. Press on "Power" button for 10 seconds to turn off your i Phone. Put the i Phone/i Pad/i Pod 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 i Tunes tells you that the device is now in recovery mode. This is an essential step otherwise you may encounter future errors when trying to update or install i OS versions.
An unknown error occurred (3194)." If you see the message, install the latest version of i Tunes and try to update or restore again. Besides to change the hosts files to get the error out of your i Phone, here is another practical way to solve the error 3194. After installing the program and connecting i Phone to computer, just click the fourth option called "More tools" on the left side.