LG ultra HD drives are popular in the market, which let users enjoy outstanding ultra HD performance with ultra HD playback that deliver life-like details and accurate colors with multiple times the resolution of full HD. However, some UHD drives or burners would not allow other third-party software to access the disc data, which exposes another problem for users, like the LG BU50N firmware issue. Today we will talk about LG BU50N and share some practical methods to downgrade 4K UHD drives/burners so that every party can be happy.

Part 1: Introduction to LG BU50N

Normally, a UHD drive is an optical or external Blu-ray drive that can read BDXL media. There are two types of UHD drives, friendly and unfriendly UHD drives. LG’s drives and burners boast features like much faster USB speeds, cinema 3D playback, unparalleled storage capacity, and more. If you read through the LG BU50N reviews, you will find that it works quite well with many systems, like Dell, HP, and so on and so forth. It comes in a compact size and features easy installation. It works fine with Blu-rays and DVDs and many users buy it to replace their existing drives in the laptop.


To some extent, it is an unfriendly UHD drive/burner because it requires other UHD downgraders to downgrade firmware before any third-party software can access the disc data. Just like WH16NS40 in the LG brand, it won’t allow your third party software to access the disc but you can try to downgrade the firmware if you want to do access the data from other software like UHD Ripper.

In the next, we will talk about how to downgrade firmware on LG BU50N.

Part 2: How to Downgrade Firmware on LG BU50N with Leawo UHD Drive Tool

There are all kinds of firmware downgrade tools available. If you want to save extra efforts on spending time to look for the most suitable downgrade tools, we will make a recommendation to you. Leawo UHD Drive Tool is a compact tool to downgrade firmware on unfriendly UHD drives and make 4K UHD backup, conversion, or playback easy. It enables to downgrade UHD-unfriendly firmware on Blu-ray drive to a compatible version for 4K UHD Blu-ray ripping, copying or playing via certain programs, such as Leawo Blu-ray Ripper, Leawo UHD Ripper.

  • Leawo UHD Drive Tool
  • Leawo UHD Drive Tool

    It supports a wide range of 4K UHD drives.
    It enables you to downgrade UHD-unfriendly Firmware on Blu-ray drive to a compatible version for 4K UHD Blu-ray ripping, copying or playing via certain programs.
    It has an intuitive interface
    It can provide you with detailed information about your UHD Bu-ray drive, as well as a helpful log when you use the software.
    It supports Windows 7/8/10 and macOS 10.13/10.14/10.15/11.

Thanks to the below tutorial guide, now you will be able to kick off the process immediately without hassle. Of course, you need to make sure you have installed the LG BU50N correctly on PC.

  • select-the-uhd-drive-from-the-available-list

    Step 1: Select the UHD drive from the available list. Ensure that the UHD drive is connected to your computer, then start Leawo UHD Drive Tool. Select the optical drive by clicking the downward triangle icon.

  • select-the-desired-firmware-from-the-list

    Step 2: Pick out a target firmware. Choose a firmware version from the drop-down box by clicking the Downgrade Firmware button.

  • downgrading-the-firmware

    Step 3: Downgrade the firmware. When you click continue, the firmware should begin downgrading.

Note: When the downgrading process is finished, restart your computer to make sure that your UHD drive runs smoothly and flawlessly.

Part 3: Best 4K UHD Player - Leawo Blu-ray Player

Well, besides using LG BU50N, fortunately we have very competitive yet totally free UHD players for opening and playing back UHD discs or Blu-rays. Leawo Free Blu-ray Player is the leading free Blu-ray player in the industry, acting as a 6-in-1 media suite. It is a free Blu-ray disc player, free DVD disc player, free HD video player (free 4K video player), free ISO file player, and free audio player (free music player).

With this free media player, users are also able to play back any region locked Blu-rays or DVDs like playing region A Blu-ray disc in UK thanks to the strong decryption technology applied in the media player.

Back to UHD playback, this media player suite is the best choice as it delivers quality-lossless video images at 4K (2160P) in H.264/H.265, MP4, MKV, MOV, etc. Better than that, with the 4K contents and 4K display, you will be amazed at how exciting the movie experience will be.

Here comes a quick look at show you how to open and play back UHD Blu-rays or DVDs with Leawo Blu-ray Player.

  • Blu-ray-player

    Step 1: Load the source media file to the media player. Before browsing and loading the source movie files, make sure you have installed this lightweight media player on your PC. Then click Open File from the home interface to load the source media files to the player.

  • playback-setting

    Step 2: Set the playback options. There will be a bunch of custom features for you to use, including subtitles, audio output, snapshot, DVD Blu-ray and so on. Click the settings button to enter the window for these features.

  • play-the-movie

    Step 3: Enjoy the video/movie playback. Click the start button to play the movie. You will be able to watch the most cinema-like movie streaming at home theater.


We have shared the most convenient way to downgrade LG BU50N firmware with a small toolkit Leawo UHD Drive tool. It is a perfect choice to downgrade firmware within clicks and then let other third-party software access the disc without trouble.

To sum up, if you want to copy or back up disc contents while your UHD drive does not allow you to do so, probably you should downgrade the UHD drive firmware to a compatible version so that third-party software can access the disc contents. Moreover, we have introduced another quality lossless media player suite Leawo Blu-ray Player for you to open and play back your UHD disc. It is 100% free and region-free, meaning it will be able to playback any region-locked Blu-rays or DVDs at ease. Hope you will find the article helpful.