The CAM does not require firmware, you need a USB programmer to selbige per PC / Mac to play. The hardware revision 2.0 is properly recognized by my Panasonic recorder, and decrypted using the smart card of the cable provider as usual. The peculiarity of Twin to use a second smart card in SIM format, I have not tested. Purchase reason for me to switch off the parental control PIN, what really was doing when switching on his nerves, and their input while looking via DIGA app was not possible.