Apple adds Back Tap

Back Tap turns the entire back of your iPhone into a giant touch-sensitive button that you can double or triple tap to trigger specific functions on your phone. There’s a good chance that you haven’t noticed it yet. Apple slipped the settings for Back Tap into its Accessibility menu.


https://www.theverge.com/21540028/apple-iphone-ios-14-back-tap-hidden-secret-button-gesture