User Guide
Bluetooth
iPhone can connect wirelessly to Bluetooth devices such as headsets, headphones, and
car kits for music listening and hands-free talking. See “Using a Bluetooth Device for
Calls” on page 67.
You can also connect the Apple Wireless Keyboard via Bluetooth. See “Using an Apple
Wireless Keyboard” on page 43.
Turn Bluetooth on or o: Choose General > Bluetooth and turn Bluetooth on or o.
Location Services
Location services lets apps such as Maps, Camera, Compass, and third-party location-
based apps gather and use data indicating your location. The location data collected
by Apple is not collected in a form that personally identies you. Your approximate
location is determined using available information from cellular network data, local Wi-Fi
networks (if you have Wi-Fi turned on), and GPS (may not be available in all locations).
When an app is using location services, appears in the status bar.
Every app that uses location services appears in the Location Services settings screen,
showing whether location services is turned on or o for that app. appears for each
app that has requested your location within the last 24 hours. You can turn location
services o for some or for all apps, if you don’t want to use this feature. If you turn
location services o, you’re prompted to turn it on again the next time an app tries to
use this feature.
Turn location services on or o for all apps: Choose General > Location Services and
turn location services on or o.
Turn location services on or o for some apps: Turn location services on or o for the
individual apps.
If you have third-party apps on iPhone that use location services, review the third
party’s terms and privacy policy to understand how that app uses your location data.
To conserve battery life, turn location services o when you’re not using it.
Home Button
Home Button settings (iPhone 3G only) let you specify what happens when you
double-click the Home button. The “Spotlight Search” settings, described below, are
also available under Home Button on iPhone 3G.
Set the action performed when you double-click the Home button: Choose General >
Home Button and set the action. You can set double-clicking the Home button to go to:
Home screen Â
Search screen Â
Phone Favorites Â
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Chapter 25 Settings