Sony 1273-5759 User Manual
Mobile network settings
Your device automatically switches between mobile networks depending on what
mobile networks are available in different areas. You can also manually set your
device to use a particular mobile network mode, for example, WCDMA or GSM.
To select a network mode
1
From your Home screen, tap .
2
Find and tap Settings > More… > Mobile networks.
3
Tap Network Mode.
4
Select a network mode.
To select another network manually
1
From the Home screen, tap .
2
Find and tap Settings > More… > Mobile networks > Service providers.
3
Tap Search mode > Manual.
4
Select a network.
If you select a network manually, your device will not search for other networks, even if you
move out of range of the manually selected network.
To activate automatic network selection
1
Drag the status bar downwards, then tap .
2
Find and tap More… > Mobile networks > Service providers.
3
Tap Search mode > Automatic.
Turning off data traffic
You can disable all data connections over mobile networks to avoid any unwanted
data downloads and synchronisations. Contact your network operator if you need
detailed information about your subscription plan and data traffic charges.
When data traffic is turned off, you can still use Wi-Fi® and Bluetooth® connections. You can
also send and receive multimedia messages.
To turn off all data traffic
1
From your Home screen, tap .
2
Find and tap Settings > More… > Mobile networks.
3
Unmark the Mobile data traffic checkbox.
Data roaming
Some network operators allow mobile data connections via mobile networks when
you are outside of your home network (roaming). Note that data transmission charges
may apply. Contact your network operator for more information.
Applications may sometimes use the Internet connection in your home network without any
notification, for example, when sending search and synchronisation requests. Additional
charges may apply when such Internet connections are established while you are roaming.
Consult your network operator for more information.
To activate data roaming
1
From the Home screen, tap .
2
Find and tap Settings > More… > Mobile networks.
3
Mark the Data roaming checkbox.
You can’t activate data roaming when data connections have been deactivated.
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