Back Tap is one of the easiest ways to put an iPhone function you use all the time literally at your fingertips. It is exactly what it sounds like: a way to access different phone features by tapping the back of your phone — kind of like an extra, user-customizable button. It was introduced with iOS 14, and the feature works on devices as old as the iPhone 8, which was launched five years ago — so it’s highly likely that you’ve got a compatible phone.

Here’s how to set up Back Tap. For reference, I followed these steps on an iPhone 13 Pro Max running iOS 15.4.1.

• Go to Settings > Accessibility > Touch > Back Tap
• Choose Double Tap or Triple Tap to set a custom function for those gestures

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