Often split into multiple .rar parts (e.g., part1.rar , part2.rar ).
You must download all parts of the specific resolution before extracting. If you only download part2.rar , the file will not open correctly. Download P75 338 1366x768 512M NORTH TECH 32SMS part2 rar
You can find the specific firmware files on technical community sites like Kazmi Elecom , which hosts various versions of the board software. Often split into multiple
Place all downloaded parts (Part 1, Part 2, etc.) in the same folder. Use a tool like WinRAR or 7-Zip to extract Part 1 ; it will automatically combine the others into a single folder containing the firmware file (usually named messi.bin or similar). You can find the specific firmware files on
Wait for the progress bar to finish. the TV during this process.
Turn on the TV (some models require holding the Power button on the TV panel until the update starts).
Loading the incorrect firmware can permanently "brick" your television. Always verify your board number ( ) and panel resolution before proceeding.