Settings
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You can adjust the volume from the home screen or most applications, such 
as call, music, and video.
Display settings
1. 
On the home screen, touch  then the 
All
 tab.
2. Under 
DEVICE
, touch 
Display
.
3. On the settings screen, you can:
• Touch 
Color temperature
 to adjust the screen color temperature. To manually 
adjust the color temperature, clear the 
Default
 check box.
• Touch 
Brightness
 to set the screen brightness. To manually adjust the 
brightness, clear the 
Automatic brightness
 check box.
• Touch 
Wallpaper
 to set the lock screen and home screen wallpapers.
• Touch 
Auto-rotate screen
 to turn the screen auto-rotate function on or off. 
If this function is turned on, your screen's orientation will automatically 
change with the way you hold your phone when you perform certain 
operations, such as browsing a web page, viewing a picture, or writing a 
message.
• Touch 
Smart backlight
 to turn smart backlight function on or off. If this 
function is turned on, your phone automatically adjusts the screen 
brightness based on the content displayed on it.
• Touch 
Sleep
 to set a screen timeout period. If idle for the specified period, 
your phone automatically locks its screen to save battery power.
• Touch 
Font size
 to change the display font size.
Turning on the power manager
1. 
On the home screen, touch  then the 
All
 tab.
2. Under 
DEVICE
, touch 
Power Manager
.
3. From the settings screen, you can: 
• Touch 
Intelligent mode
 to save power and maximize the standby time.
• Touch 
Normal mode
 to enable normal power saving mode.