Press and hold the Power Button on the TV (not the remote) while plugging the power cord back into the outlet.
If your TV is stuck on the logo or has software issues, follow these steps to flash the firmware: Turn off the TV and unplug it from the wall. Download MS638 PC822 3840x2160 Mitashi Ref65 part03 rar
Release the power button when you see a "Software Updating" or "Do Not Power Off" screen. Press and hold the Power Button on the
Plug the USB drive into the TV's USB port (use USB 2.0 if available). Plug the USB drive into the TV's USB port (use USB 2
Place all downloaded RAR parts in the same folder on your computer.
Move the extracted firmware file (e.g., allupgrade_ms638_4G_1G.bin ) to the root directory of the USB drive. Do not put it inside any folders. 3. Installation Guide (Flashing)
Use a high-quality USB pen drive (8GB or 16GB is usually sufficient) and format it to FAT32 .