How to Back Up Your iPhone to an External Hard Drive
This guide shows you how to do so using iOS 13 and macOS Catalina (or later). First, you should probably know where the backup is stored on your Mac. It’s not hard to find. Connect your phone to your rig with a USB cable so it appears in your Finder. It will appear under theLocationsheading in the Finder. If you use an older version of macOS than macOS Catalina, use iTunes to find your iPhone instead....