The Action Button is a feature of the iPhone 15 Pro or iPhone 16 and later, appearing on the left-hand edge of the device if ...

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 ...

Being able to restart an iPhone on your own terms is rather useful and sometimes necessary, but not having access to your power button for whatever reason can feel like having one of your arms tied ...