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Chapter 8 Settings 97
Brightness
Screen brightness affects battery life. Dim the screen to extend the time before you
need to recharge iPhone. Or use Auto-Brightness, which is designed to conserve
battery life.
Adjust the screen brightness
m Choose Brightness and drag the slider.
Set whether iPhone adjusts screen brightness automatically
m Choose Brightness and turn Auto-Brightness on or off. If Auto-Brightness is on, iPhone
adjusts the screen brightness for current light conditions.
Wallpaper
You see a wallpaper background picture when you unlock iPhone or when you’re on a
call with someone you don’t have a photo for.
m Choose Wallpaper and choose a picture.
General
The General settings include date and time, security, network, and other settings that
affect more than one application. This is also where you can find information about
your iPhone, and reset iPhone to its original state.
Seeing Information About Your iPhone
See information about your iPhone
m Choose General > About. There, you can see:
 Name of your phone network
 Number of songs, videos, and photos
 Total storage capacity
 Space available
 Software version
 Serial and model numbers
 Wi-Fi and Bluetooth addresses
 IMEI (International Mobile Equipment Identity) and ICCID (Integrated Circuit Card
Identifier, or Smart Card) numbers
 Modem firmware version of the cellular transmitter
 Legal information
Date and Time
These settings apply to the time shown in the status bar at the top of the screen,
world clocks, and calendar.