Basics
Notifications and quick setting panels
Using the notifications panel
When you receive new notifications, such as messages, indicator icons appear on the status bar. To see more information about the icons, open the notifications panel and view the details.
To open the notifications panel, drag the status bar downwards. To close the notifications panel, drag the bar from the bottom of the screen upwards.
You can use the following functions on the notifications panel.
Activate or deactivate options. 
Tap and hold a button to view
more detailed settings.
Launch Settings.
View all quick setting buttons.
Tap a notification and perform 
various actions.
Clear all notifications.
Adjust the brightness. 
Adjust the volume.
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