view the amount of data used by individual applications. For data transferred over your mobile data connection, you can also set data usage warnings and limits to avoid additional charges.
Adjusting data usage settings can help you keep greater control over data usage but cannot guarantee the prevention of additional charges.
To turn data traffic on or off
1 From your Home screen, tap .
2Find and tap Settings > Data usage.
3 Select a SIM card.
4 Drag the slider beside Mobile data to turn data traffic on or off.
When data traffic is turned off, your device can still establish and Bluetooth® connections.
To set a data usage warning
1Make sure that mobile data traffic is turned on.
2 From your Home screen, tap .
3Find and tap Settings > Data usage.
4 Select a SIM card.
5 To 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.
2 From your Home screen, tap .
3Find and tap Settings > Data usage.
4 Select a SIM card.
5 Mark the Set mobile data limit checkbox if it is not marked, then tap OK.
6 To 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
1 From your Home screen, tap .
2Find and tap Settings > Data usage.
3 Select a SIM card.
4 Find and tap the desired application.
5 Mark the Restrict background data checkbox.
6 To 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.
1 From your Home screen, tap .
2Find and tap Settings > Data usage.
3Tap 
, then mark the Show
4 Tap the
Selecting networks for data traffic
You can select to have both SIM cards in your device handle data traffic, but only one SIM card can be selected to handle data at any given time. You can select the SIM card to use for data traffic during the initial setting up of your device, or you can select it later via the settings menu.
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