When did Apple last add buttons to its devices?
Withthe new iPhone 15 Pro, Apple has replaced the long-standing mute toggle switch witha new customizable Action button.
“I think the Action button will be handy.

iPhone 15 Action Button.Apple
Even though it’s super customizable, I think 99% of people will use it for camera function.
The iPad version was also customizable to an extent.
So, a customizable button has precedent, butthe Action button is way more customizableand quite different.

The Action button can be used to launch the camera app.Apple
And if you have your phone muted 100 percent of the time?
You just got a brand new button with no tradeoffs.
Many people will surely set the Action button to launch the camera app.

Action button triggering a voice memo.Apple
“This should be the default.
The Action button is also important for Accessibility.