for iOS 3.1 software

Get a text message•
Get a voicemail message•
Get an email message•
Send an email message•
Have an appointment that you’ve set up to alert you•
Lock iPhone•
Type using the keyboard•
Brightness
Screen brightness aects battery life. Dim the screen to extend the time before you
need to recharge iPhone, or use Auto-Brightness.
Adjust the screen brightness: Choose Brightness and drag the slider.
Set whether iPhone adjusts screen brightness automatically: Choose Brightness
and turn Auto-Brightness on or o. If Auto-Brightness is on, iPhone adjusts the screen
brightness for current light conditions using the built-in ambient light sensor.
Wallpaper
You see a wallpaper background picture when you unlock iPhone. You can select one
of the images that came with iPhone, or use a photo you’ve synced to iPhone from
your computer.
Set wallpaper: Choose Wallpaper and choose a picture.
General
The General settings include date and time, security, network, and other settings that
aect more than one application. This is also where you can nd information about
your iPhone, and reset iPhone to its original state.
About
Choose General > About to get information about iPhone, including:
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•
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Chapter 19 Settings