Packet data
WCDMA and general packet radio service (GPRS) are network services that allow mobile phones to send and receive data over an Internet protocol protocol (IP)based network. WCDMA and GPRS are data bearers that enable wireless access to data networks such as the Internet.
Enhanced GPRS (EGPRS) is similar to GPRS but enables faster connections. For more information on availability of EGPRS and data transfer speed, contact your network operator or service provider.
The applications that may use WCDMA or (E)GPRS are MMS, video streaming, browsing sessions, email, remote SyncML, Java application downloading, and the PC
When you have selected GPRS as a data bearer, the phone uses EGPRS instead of GPRS if this is available in the network. You cannot select between EGPRS and GPRS, but for some applications you may be able to select GPRS or GSM data (circuit switched data, CSD).
Packet data connection
Select Menu > Settings > Connectivity > Packet data > Packet data connection, and from the following options:
Always online to set the phone to automatically register to a packet data network when you switch on the phone. 
or 
indicates that the packet data service is available.
If you receive a call or a text message, or make a call during a packet data connection, 
or 
indicates that the packet data connection is suspended (on hold).
When needed to register and establish a packet data connection when an application using packet data needs it, and to close the connection when you end the application.
Packet data settings
You can connect the phone using Bluetooth wireless technology, infrared, or USB data cable connection to a compatible PC and use the phone as a modem to enable packet data connectivity from the PC.
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