Until I watched the samsung OLED demo 4k on YouTube and watched from a angle , I saw how much that thing moves! I havent notice while watching anything that would make me think the iris is acting up. Hope it stays that way! Sorry to hear your story.
I dont have IF on disc but its on netflix. I dont have time today but after work I'll try what's posted.
Denon X4400H Emotiva XPS-7 Balanced minidsp 2X4
Klipsch icon series FLC/surrounds, RSL C34E for .4
2 4cu sealed Tc Sounds Lms Ultra 5400s FB14000
Xbox one X, Shield 4k, sony 65" X900F, RS540U, 115" 2.35:1 HD Fury Linker