If you want to open an app on your iPhone, the first thing you’ll probably do is tap the screen. But that’s not the only way to interact with your device. For instance, newer iPhones have a Camera Control button that lets you quickly access the camera app.
However, even if your iPhone is a few years old, there’s still a hidden “button” that lets you open the camera — or any other app — just by tapping the back of your device.
The feature is part of the Back Tap tool in your iPhone’s accessibility settings. Once enabled, it can trigger almost anything your phone can do, from turning on the flashlight to opening Shazam before a song ends. You can even set it to open the Control Center, take a screenshot or run a custom Shortcut with two or three quick taps. It’s fast, discreet and surprisingly powerful once
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