New CAD drawings point to the iPhone 15 Pro volume control being a single rocker-style button, ... The new volume up/down button [and] action (currently ringer switch) button.

While their primary goal is to control sound, your iPhone's volume buttons can actually do much more than you think. ... To do so, press the volume up button, then volume down button, ...

iPhone 16 and iPhone 16 Pro introduce a new Camera Control button. As I’m thinking about this physical hardware button, it occurs to me that I’m sort of getting an Action button for the first ...