The feature is called Back Tap and, like the Action Button on newer iPhones, it gives you one more way to use your device ...

Apple quietly turned the back of the iPhone into a programmable control surface, then hid it in a settings menu most people ...

You can use the back tap gesture on iPhone to open any app or do any task via the Shortcuts App. I show you how to make a basic shortcut and how to assign it to the back tap feature in iOS 14. This is ...