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Sound and Notifications
Adjust different types of volume (see Adjusting Volume), set up
ringtone and notification sound (see Changing Ringtone and
Notification Sound), and select system sounds or control
notification display.
Display
Brightness level: Set the brightness of the display.
Adaptive brightness: Automatically adjust screen
brightness.
Wallpaper: Select a background image for the Home
Screen.
Sleep: Set the length of time of inactivity before the screen
turns off.
Daydream: Manage the Daydream function. When
Daydream is enabled, photos or animations will be
displayed as a screensaver.
Font size: Set the font size of the text on the screen.
Auto-rotate screen: Select whether the screen contents
should rotate when the phone is rotated.
Pulse notification light: Flash the LED light to notify you of
missed calls, new messages, and other events.
Navigation key light duration: Set the duration of the
navigation key light.