Press and hold the on the TV panel (not the remote) and plug the power cord back in.
Forums and Reddit threads (e.g., r/techsupport ) frequently share links for specific motherboard software when requested by users. Installation Guide Download AND TERM PB818 1366x768 Amoi part4 rar
Place the extracted .bin file into the root directory of the USB drive. Do not put it in a folder. Flashing Process: Turn off the TV and unplug it from the power source. Insert the USB drive into the TV's USB port. Press and hold the on the TV panel
Use a tool like WinRAR or 7-Zip to extract the part4.rar and its companion parts into a single folder. You will usually find a file named allupgrade_ms818.bin or similar. Do not put it in a folder
The indicator light should start blinking rapidly, signaling that the update has started. during this time.