You can establish wireless WAN (WWAN) communications using Mobile Broadband.
After the connection is established, Connected appears.
Open the charms and select theSettings charm. Select(the network icon), Carrier name or Service name, and Disconnect.
To open the charms, see Opening the Charms.
Make sure the micro SIM card is properly inserted in the micro SIM card slot on your VAIO computer. Otherwise, the wireless WAN function may not work.
See Inserting a Micro SIM Card (Wireless WAN equipped models) for information on how to insert the micro SIM card.
For more information on how to use the wireless WAN function, refer to your carrier's instructions.