He first flashed it to "LG WH16NS60 1.02 MK" then to "LG WH16NS40 1.02 DE" and to my surprise, the drive has no sleep bug.
Not that I want it but my understanding is that it should have the sleep bug, no?
All UHD Friendly drives have the sleep bug, this is when a UHD disk is left idle in the drive for 2 minutes. Once the drive goes to sleep, the UHD Friendly drive will no longer be able to read the disk without opening and closing the disk tray and will make horrible seeking noises until this is done.