Ok, I learnt this the hard way. After following the firmware upgrade instructions posted on Support | RunCore and running the firmware upgrade procedure successfully off a MS-DOS boot USB on my Samsung D die Flash#8 64GB SSD, I was shocked to encounter the following BIOS message when restarting the drive.
DRIVE0 HARD DISK LOCKEDNo password I tried would unlock the drive. Several e-mail exchanges with Runcore's China support later, and to cut a long story short, I was informed that I should have updated from 1571 to 1819, and then from 1819 to 1916. Don't ask me how I should have known that or where I can even download the 1819 firmware ugprade files?!
ENTER PASSWORD [ ]
I'm currently in the midst of attempting to recover the SSD but first, need to get my hands on a Runcore ZIF external USB drive enclosure that has a green (not dark blue) PCB. It's a complicated procedure I need to do, failing which my only other choice is to RMA the drive, which I'm trying to avoid.
I'm posting this here as a warning and will update if I'm able to successfully recover and 'unlock' my drive.