"Flashing to 1.03 will break UHD support."
What (Windows, macOS, Linux) are you using for the flash? bu40n 100 firmware hot
The BU40N is a 9.5mm slim, tray-loading Blu-ray drive manufactured by Hitachi-LG Data Storage (HL-DT-ST). It's the standard optical drive found in many external enclosures, such as the popular Archgon MD-8107-U3-AC-B and Buffalo drives, as well as inside many laptop PCs. "Flashing to 1