40-ms801a-mac2hg Firmware Jun 2026

If you encounter problems after updating, include:

: For deep troubleshooting, technicians use "Service Codes" (such as pressing Mute > 119 > Power on the remote) to access hidden menus that display panel information and low-level firmware versions. Why Firmware Matters 40-ms801a-mac2hg firmware

Look for the Project ID or Chassis Name (like MS801) on the back of the TV. If you encounter problems after updating, include: :