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ringtone and notification sound (see Changing Ringtone and 
Notification Sound), select system sounds (see Turning On/Off 
System Sounds), control notification display, and check the 
apps that have requested notification access or Do not disturb 
access. 
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. 
  Data usage: Check how much data has been used by the 
app during the time cycle you set and restrict background 
data for the app. 
  Permissions: Check or change the app permissions. 
  Notifications: Manage the app notifications in the 
notification panel and the lock screen. You can set the 
priority, sensitivity, and more. 
  Open by default: Check the app’s supported links and set 
whether to open the links in the app, and clear the app’s 
defaults. 
  Battery: Check the battery use details of the app since last