The process of downloading the LG NB3730A Sound System Firmware BD3.412.40122.C driver should begin automatically after a few seconds. If this does not occur, click on one of the links below (we recommend downloading the LG NB3730A Sound System Firmware BD3.412.40122.C driver from the primary server - this is the manufacturer’s LG official website). If the download still fails to run, check whether your anti-virus software is not blocking the connection to the manufacturer server of the LG NB3730A Sound System Firmware BD3.412.40122.C diver.