Common repositories for this firmware include Kazmi Elecom and various community electronics forums . Installation Procedure
Place the extracted firmware file (usually named allupgrade_ms338_2G_ref60.bin or similar) into the root directory of the USB. Flash Board: Insert the USB into the TV board. Download MS338 PB801 1366x768 512M Ref60 part5 rar
If you'd like, I can help you of the archive or troubleshoot if you are seeing a specific error like "file not found" during extraction. Common repositories for this firmware include Kazmi Elecom
Flashing the wrong firmware (e.g., using a 1920x1080 version on a 1366x768 panel) can lead to a "no display" state or a "mirrored/inverted" screen. Ensure your panel's physical resolution exactly matches the firmware's 1366x768 specification before proceeding. Download MS338 PB801 1366x768 512M Ref60 part5 rar