ITunes Error

Hello CLC93,

You've come to a great place for help with iTunes or on Mac. To confirm, are you seeing this error when attempting to update or restore your iPhone? If so, we want to be upfront that restoring your device would remove content fro your iPhone, and return it to factory settings. You can learn more about restoring your device in the following article.

Restore your iPhone, iPad, or iPod to factory settings - Apple Support

As for the error you're seeing, if you're seeing this error when attempting to update or restore your device, you'll want to begin with the steps listed below. These steps are specific to resolving update and restore errors. You can also find these steps, along with additional troubleshooting steps outlined in the article below.

1. "On a Mac with macOS Catalina 10.15 or later, make sure your Mac is up to date. If you have a Mac with macOS Mojave 10.14 or earlier, or a PC, make sure you have the latest version of iTunes.
2. If your device couldn't be restored and you get a message that "an unknown error occurred [error number]," use these steps."

iOS update and restore errors - Apple Support

If you're having a different issue, please let us know in more detail about the issue you're facing. For example, what steps are you taking in iTunes leading up to this error message. The more information we have, the more accurate our troubleshooting steps will be.

Have a wonderful day!