: Search for the exact string RR8501 C031A V50 firmware on Google. Be cautious of "Solid Content" sites as they often require a paid subscription or specific forum credits to download files.
: The "1920x1080" part of your query is the resolution. Ensure your TV panel matches this; installing 1080p firmware on a 720p panel can result in a distorted image or a "no display" state. How to Install the Firmware Download RR8501 C031A V50 1920x1080 USB rar
: Plug the drive into the TV's USB port while the power is off. : Search for the exact string RR8501 C031A