Wait until the flashing stops or the TV restarts. during this time to avoid "bricking" the board.
Place the firmware file directly in the root directory of the USB drive (do not put it in a folder). Update Process: Power off the TV. Insert the USB drive into the TV's USB port. Download RR8501 C031A V60 1024x768 USB rar
Download and extract the .rar file to get the bin file (typically named RR8501.bin or similar). Wait until the flashing stops or the TV restarts
Power on the TV. The indicator LED will usually start flashing (red/blue), signaling the update is in progress. Update Process: Power off the TV
Flashing firmware carries risks. Always ensure you have a backup of your original BIOS before proceeding. Incorrect firmware can lead to a black screen or non-responsive hardware. RR8501 USB Firmware Software Bios Bin - Lab-One Forum