Wait for the LED indicator to blink rapidly, indicating the update is in progress.
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).
Often hosts eMMC pinouts and software for this board at Remont-Main.ru . Download MS638 PC822 3840x2160 Mitashi Ref35 part03 rar
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 (
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. Wait for the LED indicator to blink rapidly,
Due to the technical nature of these files, they are usually hosted on specialized technician forums or cloud drives:
.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 Often hosts eMMC pinouts and software for this
Offers direct firmware downloads (approximately 720 MB) at OneTV-SRT .