Samsung Galaxy M30 User Manual page 15

Basics
Hard keys
Key
Power
Volume
Soft buttons
Recents button
When you turn on the screen, the soft buttons will appear at the bottom of the screen. The
soft buttons are set to the Recents button, Home button, and Back button by default. Refer to
Navigation bar (soft buttons)
Function
• P ress and hold to turn the device on or off.
• P ress to turn on or lock the screen.
• P ress to adjust the device volume.
for more information.
Volume key
Power key
15
Back button
Home button