Please read bellow before starting upgrade FW.

1.Before upgrading FW, please check what FW version the machine is.
  1-1.If the machine FW version is DMG108(including) or earlier, please upgrade to DMG109 first.
  1-2.If others, skip 1-1 and upgrade to the newest FW version directly.

2.To Upgrade DMG109:
  2-1.Unzip file and Copy DMG109B.BRN and FW_DMG.BRN to a SD card.
  2-2.Following upgrade procedure, then it will starting upgrade to DMG109B.
  2-3.After upgrade DMG109B, updating FW_DMG.BRN will be starting automatically.
  2-4.Before FW_DMG.BRN is upgraded successfully, please don't remove the SD card.