Bu40n - 1.00 Firmware
Unlike the 1.03-MK or 1.04-MK versions, 1.00 works across multiple ripping platforms, including MakeMKV , DVDFab , and Leawo Prof. Media .
: It fully enables LibreDrive, allowing the drive to read data directly from the disc without the hardware-level interference common in newer versions.
Note: You will find it on LG’s official support site – they only host newer versions.
: It provides a stable 6x read speed for UHD discs, which is often more consistent than newer 8x drives that tend to fluctuate. Flashing Guide Summary bu40n 1.00 firmware
: If you are setting up a slim portable drive for 4K media archiving, BU40N 1.00
In the world of physical media preservation, few pieces of hardware have achieved the legendary status of the slim internal Blu-ray drive. However, within enthusiast circles—specifically those involved in 4K UHD ripping, backup, and playback on PC—one specific version stands head and shoulders above the rest: BU40N 1.00 firmware .
: Flashing is not a one-step process. Most guides recommend first flashing to a "MK" (LibreDrive) firmware to remove encryption before performing a recovery cross-flash to BU40N 1.00. Community Support Unlike the 1
Use MakeMKV to check your current drive firmware version.
Never use official LG firmware update utilities or general driver-update software, as they will immediately overwrite your 1.00 firmware with a locked version.
First, let's break down what this keyword means. The is a slim, slot-loading or tray-loading BD-RE (Blu-ray Disc Rewritable) drive manufactured by HL-DT-ST (Hitachi-LG Data Storage, Inc.). Note: You will find it on LG’s official
Cheaper alternative; identical hardware allows it to act like a BU40N. UHDTools (DVDFab) ⚠️ Critical Flashing Risks SDFtool Flasher - Page 61 - www.makemkv.com
Once you successfully install BU40N 1.00 firmware, here is what you can expect:
| Firmware Version | Type | Key Features & Use Case | | :--- | :--- | :--- | | | DE | "D.E." (likely Drive Enabled ) 🔹 Max Software Compatibility (DVDFab, MakeMKV, Leawo). 🔹 Official but has LibreDrive support enabled. | | 1.03-MK or 1.04-MK | MK | Patched by MakeMKV community. 🔹 Often the first step in the flashing process. 🔹 Works with MakeMKV but may have limited compatibility with other ripping software. | | Stock Firmware (1.01, 1.02, etc.) | Official (Unpatched) | Untouched drive firmware. 🔹 May NOT be 4K/UHD compatible. 🔹 Does NOT support LibreDrive. | | Other Variants (-N, -FR, etc.) | OEM | Branded/specific firmware for different companies. 🔹 Must be cross-flashed to DE or MK to work. |
Download the clean, patched firmware pack (often found on the official MakeMKV forums under the "Ultimate UHD Drives Flashing Guide"). Locate the specific file labeled for the .