To turn mobile data traffic on or off
1From your Home screen, tap .
2Find and tap Settings > Data usage.
3Drag the slider beside Mobile data accordingly to turn mobile data traffic on or
off.
When mobile data traffic is turned off, your device can still establish Wi-Fi® and Bluetooth®
connections.
To set a data usage warning
1Make sure that mobile data traffic is turned on.
2From your Home screen, tap .
3Find and tap Settings > Data usage.
4To set the warning level, drag the warning line to the desired value. You receive
a warning notification when the amount of data traffic approaches the level you
set.
To set a mobile data usage limit
1Make sure that mobile data traffic is turned on.
2From your Home screen, tap .
3Find and tap Settings > Data usage.
4Mark the Set mobile data limit checkbox if it is not marked, then tap OK.
5To set the mobile data usage limit, drag the corresponding line to the desired
value.
Once your mobile data usage reaches the set limit, mobile data traffic on your device gets
turned off automatically.
To control the mobile data usage of individual applications
1From your Home screen, tap .
2Find and tap Settings > Data usage.
3Find and tap the desired application.
4Mark the Restrict background data checkbox.
5To access more specific settings for the application (if available), tap View app
settings and make the desired changes.
The performance of individual applications may be affected if you change the related data
usage settings.
To view data transferred via Wi-Fi®
1From your Home screen, tap .
2Find and tap Settings > Data usage.
3Tap , then mark the Show Wi-Fi usage checkbox if it is not marked.
4Tap the Wi-Fi tab.
Selecting mobile networks
Your device automatically switches between mobile networks depending on which
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
1From your Home screen, tap .
2Find and tap Settings > More… > Mobile networks.
3Tap Network Mode.
4Select a network mode.
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