Samsung Galaxy Note9 - Volume Controls
Here's how to adjust the volume if your Galaxy Note9 doesn't vibrate or play sounds when receiving calls / messages.
Adjusting volume controls can help if you're not getting notifications/sounds/vibrations when receiving texts or emails.
- From a Home screen, swipe up or down from the center of the display to access the apps screen.These instructions only apply to Standard mode and the default Home screen layout.
- Navigate: .
- TapVolume.
- Adjust any of the following:Drag the slider left or right to adjust the level.If unable to adjust volume, verify the Turn Off All Sounds setting is disabled.
- Ringtone
- Media
- NotificationsIf unavailable, ensure that the ringtone setting is on.
- SystemIf unavailable, ensure that the ringtone setting is on.
- Bixby Voice
The volume can also be adjusted by pressing the 
Volume buttons
(on the left edge) up (+) or down (-).