How to fix my iPhone SE that cannot update or restore iOS, showing iTunes errors 3194, 17

Asked 28-Oct-2018
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How to fix my iPhone SE that cannot update or restore iOS, showing iTunes errors 3194, 17  



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Change the host's files on your computer. Try modifying your host's file if upgrading iTunes didn't work. This is a rather involved process, so if you're not tech-savvy, get the aid of someone who is.

When Apple servers cannot be connected, Error 3194 occurs. Your computer's hosts file has something to do with how it connects to the Internet. It's conceivable that a file misconfiguration is causing the issue, and that updating the file would solve it. This is what you must do:
  1. Turn off iTunes.
  2. Go to your host's file and open it.
  3. Launch the Terminal software on your iPhone SE, type Sudo nano /private/etc/hosts, and press Return.