3194 error when updating iphone purpose of updating job descriptions
Apple has stopped signing i OS 8.1.2 or lower firmware files, so if you try to update your device with i OS 8.1.2 or lower then you will get this error.
In some rare cases, i Tunes seems to also throw the unknown error (3194), if there is a connectivity issue with the update server.
In more rare i Tunes error 3194 situations, it can happen when there is an unrelated connectivity problem between the client and host server during an i OS upgrade or restore.
After getting knowledge of the reasons, we will start moving forward to how to fix i Tunes error 3194 in the following.
Error 3194 seems to usually be triggered when unsigned or expired firmware is used, often during an i OS downgrade or upgrade, or even during some restores. Besides, it also supports you to fix other problems with your valuable hardware, along with i Tunes errors, such as error 4005, i Phone error 14, i Tunes error 50, error 1009, i Tunes error 27 and more.
Another thing you can do is check the firmware file.
Method-I: The most predominant cause for this error to occur has been the hosts file issue in windows and mac.
You could try again to see if it goes through successfully.
If none of the solutions mentioned above help, then try to update or restore your device on some other computer, preferably with a different internet connection.