Help revert LG WH16NS40 back to FW 1.02 or crossflash

No need for dosflash. Go to the link below anddownload the modified ASUS flasher + firmwares. Then just run the flasher in windows, like a normal app, select DE WH14NS40 1.02 firmware and click start. It should take about 15 seconds and you are done.

NEW OPTION: ‘UHD Friendly’ Firmware Downgrade / Cross-Flash Using Official (Modified) ASUS Flasher for ASUS & LG Drives

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Excellent. That has worked perfectly. Thank you very much.

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You’re welcome. Happy to help!

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Hello! I have the same issue.
My drive has FW 1.04, and flashing to 1.03 or 1.02 doesn’t work.
I tried all of the methods in this thread. Any help, please?

You need to flash 1.04-MK first. Please go the the MakeMKV forum for more info.

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While there was no 1.04 file for WH16NS40, there is one for WH14NS40.
I successfully flashed my drive with that file, and that alone made it read 4K Ultra HD Blu-Ray discs, as well as giving it LibreDrive support!

Thanks for the help!