To control the data usage of individual applications
1From your Home screen, tap .
2Find and tap Settings > Data usage.
3Find and tap the desired application.
4Make the necessary adjustments to change the data usage limit, restrict
background data, or restrict all data traffic for the application.
5To 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
1From your Home screen, tap .
2Find and tap Settings > More… > Mobile networks.
3Tap Network Mode.
4Select a network type.
To select another network manually
1From the Home screen, tap .
2Find and tap Settings > More… > Mobile networks > Service providers.
3When a pop-up window appears, tap Search mode > Manual.
4Select 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
1From the Home screen, tap .
2Find and tap Settings > More… > Mobile networks > Service providers.
3When a pop-up window appears, tap Search mode.
4Tap 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.
To turn off all data traffic
1From your Home screen, tap .
2Find and tap Settings > More… > Mobile networks.
3Unmark the Mobile data traffic checkbox.
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