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. How to use your iPhone’s Back Tap feature? 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 WHAT YOU CAN DO For either double or triple tap, you have a lot of options — too many to list here. For starters, you can assign any of your shortcuts to Back Tap, which opens up a bunch of possibilities. You can tap the back of your phone to order you