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Notifications
Touch the Home key > > Settings > Notifications. You
can set different notification options for individual apps. Touch
an app to block or mute its notifications, select its notification
content to display on the lock screen, or let its notifications
override your Do No Disturb settings.
Sound
Touch the Home key > > Settings > Sound. You can
adjust different types of volume (see Adjusting Volume), set
notification mode (see Switching to Silent or Viration Mode), set
Do not disturb options (see Using Do Not Disturb Mode), set up
ringtone and notification sound (see Changing Ringtone and
Notification Sound), set up default alarm sound, or select
system sounds (see Turning On/Off System Sounds).
Apps
Touch the Home key > > Settings > Apps to see apps
installed on your phone and manage them.
Touch an app to see its information. The following options may
be available:
FORCE STOP: Stop the app.
UNINSTALL: Uninstall the app.
DISABLE/ENABLE: Disable or enable the app.
Storage: Check its storage information, clear its data or
cache.