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To set a data usage warning
1
Make sure that you have turned on data traffic.
2
From your Home screen, tap .
3
Find and tap Settings > Data usage.
4
Select a SIM card.
5
To set the warning level, drag the lines to the desired values. You receive a
warning notification when the amount of data traffic approaches the level you
set.
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
Select a SIM card.
5
Mark the Set mobile data limit checkbox if it is not marked, then tap OK.
6
To set the data usage limit, drag the lines to the desired values.
Once your data usage reaches the set limit, data traffic on the specific SIM card 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
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, 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.
To view data transferred via Wi-Fi®
1
From your Home screen, tap .
2
Find and tap Settings > Data usage.
3
Tap
, then mark the Show Wi-Fi usage checkbox if it is not marked.
4
Tap 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 type
1
Drag the status bar downwards, then tap
.
2
Find and tap More… > Mobile networks.
3
Select a SIM card.
4
Tap Network Mode.
5
Select a network type.
Your phone supports the concurrent use of one WCDMA network and one GSM network, or
two GSM networks.
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