The data usage is measured by your
phone. Your carrier's data usage
accounting may differ.
Airplane Mode
In the Settings app, touch More under
Wireless & networks and check
Airplane mode. All the phone's radios
that transmit voice or data are turned
off.
VPN
Set up and connect to virtual private
networks. See
Connecting to
Networks and Devices – Connecting
to Virtual Private
Networks.
Tethering and portable
hotspot
Share your phone's mobile data
connection with PCs or other devices
via USB or WIFI. See
Connecting to
Networks and Devices – Sharing Your
Mobile Data
Connection.
Mobile networks
Control mobile data use, select mobile
network and set access point names.
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