If the TV is stuck on a logo or has a corrupted bootloader, you may need an eMMC programmer like the RT809F or RT809H to write the data directly to the eMMC chip. CFirmware: Lists the NIKAI TP.MS338.PC821 EMMC version.
To download the firmware (specifically part 3 of a multi-part archive), you can access specialized firmware repositories like CFirmware or KenotronTV . Firmware Details Main Board: TP.MS338.PC821 Resolution: 1920x1080 (Full HD) Storage Type: eMMC (typically 4GB)
Installing firmware using the USB port on the service ... - IBM
Offers direct links for TP.MS338.PC821 Software and instructions for extracting multi-part files.
Extract the first part using WinRAR or 7-Zip ; this will automatically merge all parts into a single folder containing the .bin or image file.
Download all parts of the firmware (e.g., part1, part2, and part3).
Used in brands like Nikai, Kodama, and various generic 42–65 inch LED/LCD TVs. Installation Methods USB Recovery (Pendrive): Format a USB drive to FAT32 .
Copy the file to the root of the USB drive and insert it into the TV while powered off. Turn the TV on to trigger the update.