TCL TAB 8 Plus - Volume Controls
Here's how to adjust the volume if your TAB 8 Plus doesn't vibrate or play sounds when receiving alerts / messages.
Adjusting volume controls can help if you're not getting notifications, sounds or vibrations when receiving texts or emails.
- From a Home screen, swipe up to access the apps screen.
- Navigate: .
- Adjust any of the following:Drag the slider left or right to adjust the level. If unavailable, ensure Do not disturb is turned off.
- Notification volume
- Media volume
- Alarm volume
The volume can also be adjusted by pressing the 
Volume buttons
up or down.