The Action button is available on nearly every iPhone Apple sells, offering a quick way to access a feature, app or shortcut on your phone, just by pushing a button. It can be a flashlight ...

If you don't want the Ease of Access button on the Windows logon screen, you can either disable or remove it entirely following these methods, ...

In the next screen, tap Home to check it in the list. With the AssistiveTouch virtual button enabled, simply touch it and it will behave just like a physical Home button.