"MK firmware pack" (often found as mk-firmware-pack-YYYYMMDD.zip a collection of patched firmware images designed to enable LibreDrive functionality in various Blu-ray and UHD optical drives . Developed primarily by the
mk-firmware-pack is not always in default repos. Here’s how to get it. mk-firmware-pack
Open MakeMKV to view your drive’s manufacturer, model, and current firmware revision. "MK firmware pack" (often found as mk-firmware-pack-YYYYMMDD
How To Flash Libre Firmware on to an LG Bluray Drive on macOSX Provide both a full pack and incremental patches
brew install firmware-utils
The pack is frequently used by enthusiasts to "cross-flash" or downgrade drives like the LG BU40N or ASUS BW-16D1HT.