Occasional Google Drive links are shared via technical communities like Advance Electronics on Facebook . Installation Instructions
.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 Download MS638 PC822 3840x2160 Mitashi Ref35 part03 rar
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. Occasional Google Drive links are shared via technical
A common source for USB firmware and eMMC dumps for the MS638 series, available at KenotronTV.ru . available at KenotronTV.ru .