Apple is said to have a replacement for the classic iPhone mute switch in the works, thought of as an "Action Button" as it mirrors the new re-programmable analog from the Watch Ultra. Now, code outlining how it will work as part of a smartphone has allegedly emerged.https://www.notebookcheck.net/Apple-Action-Button-for-next-gen-iPhones-uncovered-in-new-leak.736843.0.html
Ooh.. Apple is getting a Bixby button!
Or what most Android phones now do with their power button.