I downloaded firmware "upgrade" from the official RCA website onto a for the Digital board, it's for the TV chassis, not the TV chassis. You can UPDATE THE FIRMWARE from here TV/ PNX LCD LPL . Cheers for notifying us of the firmware update b0le. I've just. nadogradnja softvera za tv ri verzija Qe - Philips Televison & Video question. Logitech Harmony Firmware Update. cable: • ComPair I2C adapter cable: • ComPair UART cable: • ComPair UART cable for TV Download and Install FLIP programmer for firmware upgrade.