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WIRELESS & NETWORK SETTINGS 174
Advanced data usage settings
Two other settings available from the Menu
icon can have dramatic effects—but may
sometimes be useful:
• Data roaming can result in steep addition-
al 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 available networks, and
may cause some features to stop work-
ing. This is an extreme step that should
be used with caution.
Control airplane mode & other
network settings
These settings are available under Settings >
Wireless & networks > More.
• Airplane mode. Check to turn off all data
transmission from the phone.
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