User Guide

To set a data usage warning

1 Make sure that data traffic is turned on.

2 Drag the status bar downwards, then tap .

3 Find and tap Data usage.

4 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 data usage limit

1 Make sure that data traffic is turned on.

2 Drag the status bar downwards, then tap .

3 Find and tap 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 corresponding line to the desired value.

Once your data usage reaches the set limit, data traffic on your device will be turned off

automatically.

To control the data usage of individual applications

1 Drag the status bar downwards, then tap .

2 Find and tap Data usage.

3 Find and tap the desired application.

4 Mark the Restrict background data checkbox.

5 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.

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.

Data roaming

Some service providers allow you to send and receive mobile data when you are

roaming outside of your home network. It's recommended to check the relevant data

transmission rates in advance.

To activate or deactivate data roaming

1 Drag the status bar downward, then tap .

2 Tap More… > Mobile networks.

3 Mark or unmark the Data roaming checkbox.

You can’t activate data roaming when mobile data has been turned off.

Selecting cellular networks

Your device automatically switches between cellular networks depending on which

cellular networks are available in different areas. You can also manually set your device to

use a particular cellular network mode, for example, WCDMA or GSM.

To select a network mode

1 From your Home screen, tap .

2 Find and tap Settings > More… > Mobile networks.

3 Tap Network Mode.

4 Select a network mode.