Mstarupgradebin Link [portable] -

Always keep a backup of your original firmware before attempting an upgrade. Have you successfully revived a TV using an MStar file? Let us know in the comments! MSO9380AM #70 - GitHub

Manufacturers often view

Before clicking any link, look at the sticker on the back of your television. You must note down: The exact (e.g., 55S425). mstarupgradebin link

If you're stuck, the linux-chenxing project on GitHub is a great place to see how enthusiasts are using these files to explore MStar hardware. Always keep a backup of your original firmware