System Firmware update . Please adjust dip switch [pin 1, pin . Save the firmware file (bin) & software in the same folder. . Connect the Micro-USB cable between PC and device . Open firmware update software and then device will start to update firmware automatically. . After update process is done, software will show “Success” message and then be closed automatically. . Power cycle the device and set the dip switch [pin 1, pin 2] to [1-1 Ei Audio Firmware update . Please adjust dip switch [pin 1, pin .