How to Fix iTunes Error 9006
iTunes error 9006 may appear when attempting to download, restore, or update an iPhone or iPad. Typically you’ll see an iTunes error message that states something like “There was a problem downloading software for the iPhone. An unknown error occurred (9006).” or you’ll notice an “err = 9006” message alongside a stopped or failed download of an iPhone software update.
Usually iTunes error 9006 can be resolved with some simple troubleshooting steps, allowing the user to update iOS on their iPhone or iPad without incident rather quickly.