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NEXUS 7 GUIDEBOOK WIRELESS & NETWORK SETTINGS 98
4. To stop background data usage for this app, check Restrict
background data.
5. Read the message that appears. If you’re willing to proceed,
touch OK.
Advanced data usage settings
Two other settings available from the Menu icon can have dra-
matic effects—but may sometimes be useful:
• Data roaming can result in steep additional charges. However,
in some locations this may be the only way to connect to the
Internet.
• Restrict background data affects all your apps across all avail-
able networks, and may cause some features to stop working.
This is an extreme step that should be used with caution.
Control airplane mode & other network
settings
With the exception of VPN, which is visible only to a tablet’s own-
er, any user can adjust these global settings.
These settings are available under Settings > Wireless & net-
works > More.
• Airplane mode. Check to turn off all data transmission from
the tablet.
• VPN. Touch to adjust settings for accessing a secured local
network from outside that network. See “Connect to virtual
private networks” in next section. (Available only for Nexus 7
with mobile data.)
• NFC. Check to turn on Near Field Communication (NFC) fea-
ture (required for Android Beam).
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