The file refers to a specific segment of a multi-part firmware update for the TP.MS638.PC822 motherboard , a high-performance 4K (3840x2160) smart TV board used in Mitashi and other LED TV brands. Firmware Details Board Model: TP.MS638.PC822. Resolution: 4K Ultra HD (
Occasional Google Drive links are shared via technical communities like Advance Electronics on Facebook . Installation Instructions
Do not power off the TV during this process, as it can permanently damage the motherboard. Download MS638 PC822 3840x2160 Mitashi Ref35 part03 rar
Due to the technical nature of these files, they are usually hosted on specialized technician forums or cloud drives:
Ensure you have all parts of the archive. Use a tool like WinRAR or 7-Zip to extract the main firmware file (usually named allupgrade_ms638_sos.bin or similar). The file refers to a specific segment of
.rar (Part 3 of a larger archive). You must download all parts (part01, part02, etc.) to successfully extract the final firmware file. Where to Download
Format a USB drive to FAT32 . Copy only the extracted firmware file to the root directory of the drive. Flash: Power off the TV and insert the USB drive. Installation Instructions Do not power off the TV
A common source for USB firmware and eMMC dumps for the MS638 series, available at KenotronTV.ru .