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settings > Mobile networks to control mobile data use or set
access point names. See Connecting to Mobile Networks.
Display
From the home screen, select > Settings > General
settings > Display to configure the following options.
Brightness level: Set the brightness of the display.
Wallpaper: Select a background image for the home
screen.
Sleep: Set the length of time of inactivity before the screen
turns off automatically.
Keypad light: Adjust how long the backlight for the keypad
remains on.
Font size: Set the font size of the text on the screen.
Date and Time
From the home screen, select > Settings > General
settings > Date & time to set date, time, time zone, and the
time format. You can also use network-provided data.
Navigation Key Shortcuts
From the home screen, select > Settings > General
settings > Navigation key shortcuts to assign the
Up/Down/Left/Right key as a shortcut for a function, such as
the calendar.