Firmware for matshita panasonic dvd-rw please!

hi. my firmware for my matshita (panasonic) sw-9584D is : BYN9…i think my firmware needs updating as i can burn cd’s fine but not dvd’s. i have looked for the firmware but could not find any…could anyone please help me thankyou

You better buy some HQ DVDs like TY and Verbatim…