In fact, Galaxy S21 offers two sets of navigation gestures, and you can choose any of them and switch between them (or switch back to navigation buttons if you want) at any time.
This Galaxy S21 how-to guide explains the two sets of navigation gestures on Galaxy S21, how to use them, and how to switch between navigation gestures and navigation buttons on Galaxy S21.
Navigation gestures are identical n all Galaxy S21 models. So this guide applies to Galaxy S21, S21+, and S21 Ultra.
Navigation buttons vs navigation gestures: who needs what?
Prior to Android 9, Android uses 3 navigation buttons (Back, Home, Recents/Overview) for you to navigate through pages (panels) and apps.
In Google’s view, the future is navigation gestures, not navigation buttons. It is a natural evolution from physical navigation buttons (like this one) to software (on-screen) navigation buttons, and now to navigation gestures.
Of course, it is merely Google’s perspective. Many Android users still prefer the old-school navigation buttons … Read the rest