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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.
WIRELESS & NETWORK SETTINGS
174
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