Turn off all notifications
You can also touch & hold the status bar notification, then turn Notifications off
.
Turn off some notifications
To see only some categories of notifications from the app:
You can also touch & hold the status bar notification, then touch ALL CATEGORIES or MORE SETTINGS and adjust options.
To change the sound for all app notifications:
Do one of the following:
To change the notification sound for a specific app:
To let an app's notifications be heard when Do not disturb is on:
If an app isn't sending notifications but you want it to:
App icons show dots to alert you about unread notifications. You can turn off dots for one or all apps.

Turn dots off for all apps
Turn dots off for one app
You can adjust the order of notifications in the list that appears when you swipe down from the status bar.
If you've set a pattern, PIN or password, you can prevent lock screen notifications from revealing private information.
To adjust notifications for all apps:
Do one of the following:
To hide sensitive content from specific apps:
Types of notifications the app sends appear here. For each enabled notification that you want to hide: