Use Back Tap on your iPhone
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.
Turn on Back Tap
Check that you have the latest version of iOS on your iPhone 8 or later.
Go to Settings > Accessibility > Touch, and tap Back Tap.
Tap Double Tap or Triple Tap and choose an action.
Double or triple tap on the back of your iPhone to trigger the action you set.
You can even set a double or triple tap to trigger an Accessibility Shortcut to quickly access features like AssistiveTouch, Siri Shortcuts, Magnifier, Reachability, and VoiceOver.
Learn more
Turn on AssistiveTouch to adjust volume, lock your screen, use multi-finger gestures, restart your device, or replace pressing buttons with just a tap.
Ask Siri to quickly do everyday tasks with the apps you use the most by using Siri Shortcuts.
Use Magnifier to turn your iPhone or iPad into a magnifying glass so you can zoom in on objects near you.
Learn more about the accessibility features on your iPhone.