If you don’t have an entry in the host file for “gs.apple.com” and still getting Error 3194, then temporarily disable the firewall or anti-virus software on your computer, as it is quite possible that they’re preventing i Tunes from connecting to Apple servers.
You hit the error because you may have used a jailbreaking tool like Redsn0w at some point of time, which added the entry to the Hosts file so that i Tunes could connect to Cydia servers instead of Apple update servers.
If you are running into an error in updating to the new i OS, try the following tricks firstly in order not to lose data on your device. We highly suggest you back up your device before update.
You can backup your device with i Tunes or i Cloud or use i Care Fone to selectively back up important data. If you lost data during or after i OS 10.3, these i OS 10.3 data recovery tricks are of vital importance. Press and hold both the Sleep/Wake and Home (Volume Down button for i Phone 7 and i Phone 7 Plus) buttons for at least 10 seconds, until you see the Apple logo.
In this article we are going to address the i Tunes error 2005, what it is and how you can fix it.
Let's first begin with what it is and why it happens.i OS 10.3 is a major update bringing new file system named APFS, bug fixes and security improvement.