The volume buttons on the side of your iPhone are for more than just adjusting volume levels for media, ringers, alerts, Siri, and other sounds and voices. You can use them to perform different actions inside certain apps, and you can even create custom actions using the Shortcuts app. It's not exactly button mapping, but it's as close as you'll get without jailbreaking iOS. While some third-party apps can utilize your iPhone's volume buttons for tasks besides volume adjustments, it's limited to just the normal expected behavior of iOS 15 and iOS 16. As you'll see below, there are a few... more