The story of the BU40N 1.00 firmware is a legend in the world of 4K home media—a tale of a "hot" piece of code that turned a standard laptop drive into a holy grail for movie collectors. The Hidden Power
: Unlike "MK" (MakeMKV-only) modded firmwares, version 1.00 is often required for the drive to work correctly with DVDFab UHD Copy UHD Creator LibreDrive Support bu40n 100 firmware hot