If several applications are using an internet connection, you can use the Connection manager application to close some or all network connections.
Select Menu > Settings and Connectivity > Connection mgr..
In the active data connections view, you can see your current network connections. indicates a packet data connection, and indicates a Wi-Fi connection.
|View details for a connection|
Select and hold the connection, and from the pop-up menu, select Details.
Details, such as the amount of transferred data and connection duration, are displayed.
|Close a connection|
Select and hold the connection, and from the pop-up menu, select Disconnect.