Samsung Galaxy A01 - Volume Controls
Here's how to adjust the volume if your Galaxy A01 doesn't vibrate or play sounds when receiving calls / messages.
- From a Home screen, swipe up from the center of the display to access the apps screen.
- Navigate: .
- TapVolume.
- Adjust any of the following:Drag the slider left or right to adjust the level. If unavailable, ensure the Do not disturb switch is turned off.
- Ringtone
- Media
- NotificationsIf unavailable, ensure that the ringtone setting is on.
- SystemIf unavailable, ensure that the ringtone setting is on.
The volume can also be adjusted by pressing the 
Volume buttons
(left edge) up (+) or down (-).