The feature is called Back Tap and, like the Action Button on newer iPhones, it gives you one more way to interact with your device without touching the screen. You can activate it by tapping anywhere on the back of your phone, including on the camera module. The best part is that it works even if you have a fairly thick case on your iPhone.

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Unlike last year, several iPhone models won't be eligible to download the newest iOS when it makes its debut this fall. This trio of models first released in 2018 won't be coming to the iOS 26 party: