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Of the drives I have tested with the same "American Made" UHD disc:

Asus drives:
3 with baba16a5110588c6e8f5e00b24853595
1 with 9642091b43af799d40c66c206835723b

LG drives:
1 with baba16a5110588c6e8f5e00b24853595
2 with 9642091b43af799d40c66c206835723b

Only 2 MD5s for the 7 drives. There are 2 ...

SamuriHL wrote: Fri Jun 21, 2019 3:16 am The md5 hash will never match. Welcome to the world of decrypting encrypted discs.

Sent from my SM-G975U using Tapatalk

Huh??? I have 3 drives of 2 different models that all match, and re-ripping results in the same MD5, so, never???

I've been testing some of my drives by ripping "American Made" 4k to ISOs and comparing MD5's, and came up with some results I don't understand.

The first 2 drives I tested were LG WH16NS40 SVC CODE NS50 that were originally ROM VER 1.03 that I downgraded to DE ver 1.02. They produced and MD5 of ...

Thanks for all your help and patience while answering my numerous questions with clear and detailed answers, SamuriHL, and thanks to MartyMcNuts for providing this thread, a true game-changer!

Downgraded two LG WH16NS40 SVC CODE NS50 drives from Rom ver 1.03 to DE_LG_WH16NS40_1.02_NS50.bin today. Flasher and .bins downloaded from first page of this thread on 06-15-2019.

Instructions 1 through 3 went normally.
Instruction 4- Hit "START" button. Drive tray opened as expected. Drive LED ...

Thank you SamuriHL,
I hadn't read that little tidbit about MK v3.1 anywhere before now... an unintentional 'feature'... and a happy one indeed.

Thank you for your patience with my lifelong affliction of wanting to know not only what works, but why.

Thank you for the reply...
Does that sleep bug happen with all models of drives and (UHD friendly) firmware versions?
I ripped about 54 UHD's with one of the Asus BW16D1HT (factory firmware) I have, and never had anything like that happen. When it does happen, do you have to do anything to make it ...

A few questions, please:

What is the "Sleep bug"?
(It seems from what I've been able to find that some drives will, after ripping a disc, become un-responsive to further commands, and may need to have the tray manually ejected and closed to get them to become responsive again, or something similar ...