The process of downloading the Alcorn V4 Pro Controller Firmware 1.89 driver should begin automatically after a few seconds. If this does not occur, click on one of the links below (we recommend downloading the Alcorn V4 Pro Controller Firmware 1.89 driver from the primary server - this is the manufacturer’s Alcorn 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 Alcorn V4 Pro Controller Firmware 1.89 diver.