Help Me! Guide to iPhone 6: Step-by-Step User Guide for the iPhone 6 and iPhone 6 Plus (37 page)

Figure 2: Privacy Settings Screen

Figure 3: Location Services Screen

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To surf the internet and download applications when not connected to Wi-Fi, you need to turn on cellular data. However, you can turn off cellular data if you wish to conserve battery life in an area with little or no 4G service. To turn cellular data on or off:

1. Touch the
 icon. The Settings screen appears.
2. Touch
Cellular
. The Cellular Settings screen appears, as shown in
Figure 4
.
3. Touch the
 switch next to 'Cellular Data'. The
 switch appears and cellular data is turned on.
4. Touch the
 switch next to 'Cellular Data'. The
 switch appears and cellular data is turned off.

You may also manage the cellular data usage from the Cellular Settings screen. To manage cellular data usage:

1. Touch the
switch next to 'Mail', 'Passbook', or another application. Cellular data is turned off for the corresponding application.
2. Touch the
 switch next to the name of an application. Cellular data is turned on for the corresponding application.
3. Touch
System Services
to view the amount of data used by each service on your phone.

Figure 4: Cellular Settings Screen

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When you are in an area with no 4G coverage, the phone can use the Data Roaming feature to acquire signal from other networks. Be aware that Data Roaming can be extremely costly. Contact your network provider for details. To turn Data Roaming on or off:

1. Touch the
 icon. The Settings screen appears.
2. Touch
Cellular
. The Cellular Settings screen appears.
3. Touch the
 switch next to 'Data Roaming'. The
 switch appears and Data Roaming is turned on.
4. Touch the
 switch next to 'Data Roaming'. The
 switch appears and Data Roaming is turned off.