Samsung Galaxy S III User Manual page 92

Mobile networks
Before you use applications such as Google Maps and find
your location or search for places of interest, you must
enable the Mobile networks options.
Mobile data
To enable data access over the mobile network, this option
must be selected. It is set on by default.
1. From the Connections menu, tap More settings
Mobile networks.
2. Tap Mobile data to checkbox to create a checkmark
and enable the feature.
Data Roaming
Data roaming allows you to connect to your service
provider's partner networks and access data services when
you are out of your service providers area of coverage.
1. From the Connections menu, tap More settings
Mobile networks.
2. Tap Data roaming checkbox to create a checkmark and
enable the feature.
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Access Point Names
To use Wi-Fi you need access to a wireless access point
(hotspot).
1. From the Connections menu, tap More settings
Mobile networks.
2. Tap Access Point Names.
A list of the Access Point names displays. The active
access point displays a green, filled circle to the right
of the name.
Network Operators
Using this feature you can view the current network
connection. You can also scan and select a network operator
manually, or set the network selection to Automatic.
1. From the Connections menu, tap More settings
Mobile networks.
2. Tap Network operators.
The current network connection displays at the bottom
of the list.
Important! You must deactivate data service prior to
searching for an available network.