Your Android device has a secret back button to launch an app or feature of choice with a tap. Here's how to enable Quick Tap on a Google Pixel and Back-Tap on a Samsung Galaxy phone.

iPhone 15 Pro's best secret weapon is the Action button, where you can customize for volume control, flashlight, magnifier and other iPhone functions.

The Action button is available for the first time on non-Pro versions of the iPhone. So what exactly can you do with it?

How to make the most of the iPhone's Action Button The customizable button lets you access key features of your phone and apps.

Tesla owners have wasted no time in programming Apple's new "action button" on the iPhone 15 Pro to make it easier than ever to control their car.