Sony Xperia Z4 Tablet SGP771 - Manual (Page 42)

To connect your tablet with an Xperia™ phone using NFC
1 Make sure the NFC and the Android Beam functions are activated on both your
Xperia™ phone and tablet and that the phone has an active mobile data
connection.
2 Tablet: From your Home screen, tap > Xperia Link > Add device, then follow
the instructions to complete the setup. Once the setup is complete, a QR
Code™ appears on the screen. You can ignore this code.
3 Phone: From your Home screen, tap > Xperia Link > Add device.
4 Hold your phone and the tablet back to back so that the NFC detection areas
of each device touch each other.
5 When Touch to beam appears, touch either the screen of your phone or tablet.
6 To confirm the connection, tap OK.
Controlling data usage
You can keep track of the amount of data transferred to and from your device over
your mobile data or Wi-Fi® connection during a given period. For example, you can
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.
If you are using a device with multiple users, only the owner, that is, the primary user, can
adjust data usage settings. 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 .
2 Find and tap Settings > Data usage.
3 Drag the slider beside Mobile data to turn data traffic on or off.
When data traffic is turned off, your device can still establish Wi-Fi®, NFC and Bluetooth®
connections.
To set a data usage warning
1 Make sure that mobile data traffic is turned on.
2 From your Home screen, tap .
3 Find and tap Settings > 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 mobile data usage limit
1 Make sure that mobile data traffic is turned on.
2 From your Home screen, tap .
3 Find and tap Settings > Data usage.
4 Drag the slider beside Limit mobile data usage to the right, then tap OK.
5 To set the mobile data usage limit, drag the data limit 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 data usage of individual applications
1 From your Home screen, tap .
2 Find and tap Settings > Data usage.
3 Tap the application that you want to control, then drag the slider beside
Restrict app background data to the right and tap OK.
4 To access more specific settings for the application (if available), tap App
settings and make the desired changes.
The performance of individual applications may be affected if you change the related data
usage settings.
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