Apple 2007 launched the first generation of the iPhone, The past 16 years of hardware product iteration, have always retained the mute paddle, and in today’s release of the iPhone 15 series, the mute paddle is out of the stage, instead of the Action button.

Action button operation is similar to the Apple Watch Ultra, users can according to their own preferences, to enable the camera, screen recording, open the notes application or specify to open a certain App, naturally, users can also be set as a mute switch to switch the ringer / vibration mode.
The iPhone 15 series Action button and Apple Watch Ultra still have differences. On the Apple Watch Ultra, the Action button is painted orange and the button is larger, while on the iPhone 15, the button is relatively small and has no color markings.