How to use Back Tap to add a secret button to your iPhone To turn the Apple logo on the back of your iPhone into a secret button when you double-tap or triple-tap it, follow the steps below: Open the Settings app on your iPhone Tap Accessibility Tap
Use Back Tap on your iPhone - Apple Support With Back Tap in iOS 14 or later, a quick double or triple tap on the back of your iPhone can open Control Center, take a screenshot, trigger accessibility-specific actions, and more Check that you have the latest version of iOS on your iPhone 8 or later Go to Settings > Accessibility > Touch, and tap Back Tap