: Users have reported that version 1.00 is more reliable for burning 100GB BD-XL triple-layer discs compared to later versions, which can sometimes produce "strange bugs" or failures.
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: Many users report that 1.00 is more reliable for burning 100GB BD-XL discs compared to newer stock or modded versions. Common Challenges with BU40N 1.00 Availability bu40n 100 firmware hot
If you have landed on this page searching for the term , you are likely experiencing one of two things: either your LG BU40N slim Blu-ray drive is physically running too hot after a firmware update, or you have heard that the 1.00 (or DE_1.00) firmware is the "holy grail" for 4K Ultra HD ripping.
If you rip 4K discs weekly, stay on 1.00 and implement cooling mods. If you only rip once a month, flash to DE_1.00 (cooler) or even 1.03 with a patched bootloader. : Users have reported that version 1
Open MakeMKV and check the "Drive Information" tab. It should list the product as HL-DT-ST BD-RE BU40N .
This is the standard graphical user interface tool used by the community to flash UHD drives safely. If you rip 4K discs weekly, stay on 1
Flashing firmware carries a risk of bricking your device. Follow instructions carefully. The author is not responsible for data loss or hardware damage.
: In many cases, it allows the drive to bypass "sleep" or "idle" bugs that can cause UHD rips to fail or slow down. The "Hot" Pursuit: Flashing and Downgrading
is the original launch firmware for this drive. It is highly sought after because it is fully "LibreDrive compatible" out of the box, requiring no additional patching. However, users frequently report that after flashing to 1.00, the drive becomes excessively hot , even during idle or light reading tasks.