Bu40n 100 Firmware Hot -

It is highly likely there is a misunderstanding regarding the term "hot."

  • “SDFtool Flasher” – A Windows GUI for flashing these drives safely. bu40n 100 firmware hot

  • “BU40N” thread on MakeMKV – Contains confirmed working firmware versions and step-by-step flashing guides. It is highly likely there is a misunderstanding

  • The LG BU40N is a slim, slot-loading 9.5mm Blu-ray drive. It is a favorite among the "UHD Friendly" community because, with the right firmware, it can rip 4K Ultra HD Blu-rays using software like MakeMKV. “SDFtool Flasher” – A Windows GUI for flashing

    Firmware 1.00 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.

    User quote from forum archives: "I flashed my BU40N to 1.00 and now the metal casing is almost too hot to touch after 10 minutes of reading a standard DVD. The keyword 'bu40n 100 firmware hot' led me here."


    Most users searching for BU40N firmware are looking to flash the drive with unofficial/custom firmware to enable UHD Blu-ray playback.