Apple quietly turned the back of the iPhone into a programmable control surface, then hid it in a settings menu most people ...

The feature is called Back Tap and, like the Action Button on newer iPhones, it gives you one more way to use your device ...

This iPhone button gives you instant access to Siri, screenshots, Control Center, and more.

Apple’s accessibility features aren’t just for people with disabilities; they can also be useful for everyone. For instance, if you find it hard to read text in iOS 26, you can reduce transparency.