Change a VPN conguration: Choose General > Network > VPN and tap the
conguration you want to update.
Turn VPN on or o: Choose VPN, then tap to turn VPN on or o.
Delete a VPN conguration: Choose General > Network > VPN, tap the blue
arrow next to the conguration name, then tap Delete VPN at the bottom of the
conguration screen.
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 40.
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 identies 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.
194 Chapter 25 Settings