Apple IPhone IOS 31 User Guide

Turn sounds, alerts, or badges on or off for an application:  Tap Notifications, then 
choose an application from the list and choose the types of notification you want to 
turn on or off.
Carrier
This setting appears when you’re outside of your carrier’s network and other local 
carrier data networks are available to use for your phone calls, visual voicemail, and 
cellular network Internet connections. You can make calls only on carriers that have 
roaming agreements with your carrier. Additional fees...

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 affects 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...

IMEI (International Mobile Equipment Identity) and ICCID (Integrated Circuit Card • 
Identifier, or Smart Card) numbers
Modem firmware version of the cellular transmitter
• 
Legal information• 
Regulatory information• 
Usage
Show battery percentage:  Tap Usage and turn Battery Percentage on to display the 
percentage of battery charge next to the battery icon in the upper-right corner of 
iPhone (iPhone 3GS only).
See your usage statistics:   Choose Usage. There, you can see:
Usage—Amount of time iPhone...

Turn Internet Tethering on or off:  Choose General > Network > Internet Tethering, 
then turn Internet Tethering on or off.
Internet Tethering lets you share iPhone’s Internet connection with a computer 
connected via USB or Bluetooth (not available in all regions). Follow the onscreen 
instructions to complete the setup. Additional fees may apply. See “Using iPhone as a 
Modem
”  on page 42.
Add a new VPN configuration:   Choose General > Network > VPN > Add VPN 
Configuration.
VPNs used within...

You can turn Location Services off if you don’t want to use this feature. If you turn 
Location Services off, you’ll be prompted to turn it on again the next time an 
application tries to use this feature.
Turn Location Services on or off:  Choose General > Location Services and turn 
location services on or off.
To conserve battery life, turn Location Services off when you’re not using it.
Auto-Lock
Locking iPhone turns off the display to save your battery and to prevent unintended 
operation of iPhone....

Important:  You can’t use iPhone while data is being overwritten. This can take up to 
two hours or more, depending on the model and storage capacity of your iPhone.   
(On iPhone 3GS, the removal of the encryption key is immediate.)
Restrictions
You can set restrictions for the use of some applications and for iPod content on 
iPhone. For example, parents can restrict explicit music from being seen on playlists,   
or turn off YouTube access entirely.
Turn on restrictions:
 1  Choose General >...

Music & Podcasts• 
Movies• 
TV Shows• 
Apps• 
In the United States for example, to allow only movies rated PG or below, tap Movies, 
then select PG from the list. 
Note:  Not all countries have rating systems.
Home
Choose General > Home to set preferences for double-clicking the Home button and 
searching categories on the Spotlight page. You can set iPhone so that double-clicking 
the Home button goes to the Home screen, Search, Phone Favorites, Camera, or iPod.
Set whether double-clicking the Home...

Keyboard
Turn Auto-Correction on or off:  Choose General > Keyboard and turn Auto-Correction 
on or off.
By default, if the default keyboard for the language you select has a dictionary, iPhone 
automatically suggests corrections or completed words as you type.
Turn Auto-Capitalization on or off:   Choose General > Keyboard and turn Auto-
Capitalization on or off.
By default, iPhone automatically capitalizes words after you type sentence-ending 
punctuation or a return character.
Set whether caps lock is...

The Region Format also determines the language used for the days and months that 
appear in native iPhone applications.
Accessibility
To turn on accessibility features (available only on iPhone 3GS), choose Accessibility 
and choose the features you want. See Chapter 25, “Accessibility,”  on page 18 2 .
Resetting iPhone
Reset all settings:   Choose General > Reset and tap Reset All Settings.
All your preferences and settings are reset. Information, such as your contacts and 
calendars, and media, such as...

Location warnings are the requests made by applications (such as Camera, Compass, 
and Maps) to use Location Services with those applications. iPhone stops presenting 
the warning for an application the second time you tap OK. Tap Reset Location 
Warnings to resume the warnings.
Mail, Contacts, Calendars
Use Mail, Contacts, Calendars settings to set up and customize accounts for iPhone: Microsoft Exchange
• 
MobileMe• 
Google email• 
Yahoo! Mail• 
AOL• 
Other POP and IMAP mail systems• 
LDAP accounts for...