I was conversing with him on youtube. I don't think he's looking for it in the right scenario; dark room, dark content. I had the tv for almost a week before I noticed and it was actually D-Nice who brought it up first.From Tha_VillaMan
"I’m running 5.10.8, but I didn’t have the elevated blacks issue. All my videos so far have been with that firmware"
I linked him some IRE files(0% black) and this thread but I'm not sure if he is willing to properly check.