freemkv-fw
Latest releasev0.9.2
September 25, 2026
Turns any stock MediaTek image into freemkv firmware.
Looks and acts like a 100% OEM drive until freemkv enables the additional features.
Create
freemkv-fw create
# One input, one output — freemkv-fw auto-detects the model
$ freemkv-fw create BU40N_1.00.bin BU40N_1.00.freemkv.bin
freemkv-fw 0.9.2 — detected LG BU40N · base 1.00
Identity ................. added
Speed .................... added
Region ................... added
Unrestricted ............. added
HRL ...................... added
Encryption ............... added
Downgrade-enable (DE) byte ... set (flashes over any version)
Re-signing integrity table ... ok
Wrote BU40N_1.00.freemkv.bin (2,097,152 bytes)SpeedSettable read-speed / riplock ceiling — lift the cap for full-rate ripping
RegionRegion-free (RPC-1) across DVD and Blu-ray, or force a specific region
UnrestrictedOpens the drive to read every disc type, including Blu-ray and Ultra HD Blu-ray (AACS 1.0/2.0)
Revocation (HRL)Skip the host-certificate revocation check (non-destructive)
EncryptionRemoves the drive’s disc-encryption handshake so content reads back decrypted; the host applies the title keys
Downgrade versionsEnables you to flash any firmware version over any existing one
Diagnostic Dump64-byte firmware RAM windows
macOS
brew install --cask freemkv/tap/freemkv-fw-guibrew install freemkv/tap/freemkv-fwHomebrew installs the app and the command line, and skips the macOS security prompt entirely.