Here is a generated advisory and action guide based on common support scenarios for this specific drive model: Status: No direct public firmware file is available from Panasonic Consumer Electronics. The UJ272 is an OEM-part number typically found in 2012–2015 era all-in-one PCs (e.g., Dell XPS 27, HP Envy Recline) or legacy MacBooks with slot-loading drives.
Please note: The manufacturer typically releases updates only through original equipment manufacturers (OEMs) like Dell, HP, Lenovo, or Apple. matshita bd-mlt uj272 firmware update