User Guide

Internet and messaging settings
To send text and multimedia messages and to access the Internet, you must have a
mobile data connection and the correct settings. There are different ways to get these
settings:
• For most mobile networks and operators, Internet and messaging settings come
preinstalled on your device. You can then start using the Internet and send messages
right away.
• In some cases, you will get the option to download Internet and messaging settings the
first time you turn on your device. It is also possible to download these settings later from
the Settings menu.
• You can manually add and change Internet and network settings on your device at any
time. Contact your network operator for detailed information about Internet and
messaging settings.
To download Internet and messaging settings
1 Drag the status bar downwards, then tap .
2 Find and tap Xperia™ > Internet settings.
3 Select the SIM card, or SIM cards, for which you want to download Internet and
messaging settings.
4 Tap Accept.
To reset the default Internet settings
1 Drag the status bar downwards, then tap .
2 Tap More… > Mobile networks.
3 Select the SIM card for which you want to reset the settings.
4 Tap Access Point Names, then tap .
5 Tap Reset to default.
Access Point Names (APNs)
An APN is used to establish data connections between your device and the Internet. The
APN defines which type of IP address to use, which security methods to invoke, and
which fixed-end connections to use. Checking the APN is useful when you cannot
access the Internet, have no data connection, or cannot send or receive multimedia
messages.
To view the current APN
1 Drag the status bar downwards, then tap .
2 Find and tap More… > Mobile networks.
3 Select the SIM card for which you want to view the APN.
4 Tap Access Point Names.
If you have several available connections, the active network connection is indicated by a
marked button.
To add Internet settings manually
1 Drag the status bar downwards, then tap .
2 Tap More… > Mobile networks.
3 Select the SIM card for which you want to configure the APN settings.
4 Tap Access Point Names, then tap .
5 Tap New APN, then tap Name and enter the name of the network profile that you
want to create.
6 Tap APN and enter the access point name.
7 Enter all other information required by your network operator.
8 When you're done, tap , then tap Save.
Controlling data usage
You can keep track of the amount of data transferred to and from your device over your
mobile data or Wi-Fi® connection during a given period. For example, you can view the
amount of data used by individual applications. For data transferred over your mobile
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