Packet data
General packet radio service (GPRS) is a network service that allows mobile
devices to send and receive data over an internet protocol (IP)-based network.
To define how to use the service, select Menu > Settings > Connectivity >
Packet data > Packet data connection and from the following options:
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When needed — to set the packet data connection to established when
an application needs it. The connection will be closed when the application
is terminated.
Always online — to set the phone to automatically connect to a packet data
network when you switch the phone on