Place the extracted MstarUpgrade.bin (or similarly named) file in the root directory of the USB. Flash: Turn off the TV. Plug in the USB.
Installing the wrong firmware can make the TV unresponsive. Download CV338H T50 3840x2160 Starlight part5 rar
Verify the backlight voltage and current settings in the firmware match your specific hardware to avoid damaging the LEDs. How to Install Place the extracted MstarUpgrade
Firmware for these boards is typically distributed in compressed multi-part archives (e.g., .part1.rar through .part5.rar ) due to the large file size of 4K system software. Important Pre-check Download CV338H T50 3840x2160 Starlight part5 rar
Right-click Part 1 and select "Extract Here." This will merge all parts into a single .bin file. Prepare USB: Format a USB drive (8GB or 16GB) to FAT32 .