Basics12Hard keysKey FunctionVolume key • Press to adjust the device volume.Power key • Press and hold to turn the device on or off.• Press to turn on or lock the screen.Soft buttonsWhen you turn on the screen, the soft buttons will appear at the bottom of the screen. Thesoft buttons are set to the Recents button, Home button, and Back button by default. Refer toNavigation bar (soft buttons) for more information.

Samsung SM-A025U-UM User Manual