Matshita (Panasonic) does not typically provide direct firmware downloads to retail consumers. Instead, they supply these updates directly to Original Equipment Manufacturers (OEMs) who integrated the drive into their computers.
: Search for your specific VAIO model number to find optical drive updates. matshita bdmlt uj240as firmware update
If your UJ240AS is mounted inside an external USB enclosure, ensure the USB cable is securely connected to a rear motherboard port. Do not touch or move the cable during the update. Step 4: Installing the Firmware Update matshita bdmlt uj240as firmware update