Many RR8501 boards will automatically detect the file. The indicator LED (usually red/blue) will start blinking rapidly, signaling the update is in progress.
Do not turn off the power while the LED is blinking. Once the blinking stops or the LED turns a solid color, the process is complete. Download RR8501 C031A V50 1680x1050 USB rar
How to fix TV main board with usb firmware update software guide Many RR8501 boards will automatically detect the file
Look for the file on specialized sites like the Lab-One Forum or Kazmi Elecom . Download RR8501 C031A V50 1680x1050 USB rar
Move the extracted .bin file to the root directory of the USB drive. Do not put it inside any folders.