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Display 
Touch the Home key >    > Settings > Display to 
configure these options. 
  Brightness level: Set the brightness of the display 
  Screen effect: Adjust the color of the screen 
  Adaptive brightness: Automatically adjust screen 
brightness 
  Wallpaper: Select a background image or animation for 
the home screen and the lock screen 
  Sleep: Set the time of inactivity before the screen 
automatically turns off   
  Daydream: Manage the Daydream function. When 
Daydream is enabled, photos or animations display as a 
screensaver. 
  Font size: Set the screen text font size   
  Auto-rotate screen: Select if the screen rotates when 
the phone rotates. 
  Pulse notification light: Flash the indicator light to get 
notification of missed calls, new messages, and other 
events 
  Cast screen: Connect with TVs, projectors or other 
devices that support wireless display and project your 
phone’s content wirelessly to that device. Turn on Wi-Fi 
first.