A firmware update is now available for the BD-SP309 and BD-SP809. This update is available via ethernet connection or USB. The update procedure and USB files are available on the product pages or support section of onkousa.com.
The latest version of the firmware for the BD-SP809 is 1.83.00, and it improves the playability of certain DVD discs. The update for the BD-SP309 improves playability of particular Blu-ray discs