Next up is the action button, up on the left-hand side as you look at the iPhone, which has replaced the old ring / silent ...

The volume buttons on your iPhone can do a lot more than control your sound, and you might not even know about a lot of the most useful features.

Your iPhone’s volume buttons are capable of much more than simply adjusting sound levels. These unassuming controls are packed with hidden features that can make your device more convenient, secure, ...