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To set a data usage limit
1 Make sure that you have turned on data traffic.
2 From your Home screen, tap .
3 Find and tap Settings > Data usage.
4 Mark the Set mobile data limit checkbox if it is not marked, then tap OK.
5 To set the data usage limit, drag the lines to the desired values.
Once your data usage reaches the set limit, data traffic on your device will be turned off
automatically.
To control the data usage of individual applications
1 From your Home screen, tap .
2 Find and tap Settings > Data usage.
3 Find and tap the desired application.
4 Mark the Restrict background data checkbox.
5 To access more specific settings for the application, tap View app settings and
make the desired changes.
Specific settings for an application may not always be accessible.
The performance of individual applications may be affected if you change the related data
usage settings.
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 From the Home screen, tap .
2 Find and tap Settings > More… > Mobile networks > Service providers.
3 When a pop-up window appears, tap Search mode.
4 Tap Automatic.
Turning off data traffic
You can disable all data connections over mobile networks to avoid any unwanted data
downloads and synchronizations. 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.
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