You can now upgrade the firmware of your Sony Ericsson phone using software and USB data cable. This software will remove the network logos and themes off your network branded Sony Ericsson device. You can also choose the language pack you would like to have on your phone from the list of available languages. Simply connect your Sony Ericsson phone to your Windows PC, select the language pack and firmware version you wish to update to, and start the upgrade. Once procedure is complete you will have a Sony Ericsson phone free of any network operator themes. The firmware upgrade will also reset the user lock code and will unlock the data settings on your phone. Finally, you will not have any software restrictions on your phone as set by the network operator.