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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 phone 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 Make the necessary adjustments to change the data usage limit, restrict
background data, or restrict all data traffic for the application.
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 phone automatically switches between mobile networks depending on what mobile
networks are available in different areas. You can also manually set your phone to access
a particular mobile network type, for example, WCDMA or GSM.
To select a network type
1 From your Home screen, tap .
2 Find and tap Settings > More… > Mobile networks.
3 Tap Network Mode.
4 Select a network type.
To select another network manually
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 > Manual.
4 Select a network.
If you select a network manually, your phone 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 2G/3G networks with your phone to avoid any
unwanted data downloads and synchronizations. Contact your service provider if you
need detailed information about your subscription plan and data traffic costs.
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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