Format a USB flash drive (8GB or 16GB) to FAT32 .
Flashing incorrect firmware can "brick" your TV mainboard. Always verify the Panel Number (found on a sticker on the back of the LCD panel) matches the firmware description.
Firmware is panel-specific. Using firmware for a different screen model can result in a "mirror" image, inverted colors, or a blank screen.
Hold the button on the TV panel (not the remote) and plug the TV back in.
Could you tell me the of your TV? I can help you confirm if this is the correct firmware version for your specific hardware.
Use a tool like 7-Zip to extract the contents. You must have all parts of the RAR set present to extract the actual firmware file (usually named allupgrade_ms638_sos.bin or similar).
Release the button once the "Software Upgrading" screen appears. during this process. Important Precautions