Those are my settings, now I will explain the bug and how to reproduce it. 1) Turn OFF the TV for 7 minutes. 2) Turn ON the TV. 3) Play any video. 4) White areas look ununiformed, look bad:
A temporary solution is to set Local Dimming is Standard and back to High:
It's a new TV, I bought it about a month ago, I have my warranty. Every time I turn ON the TV I have to change the local dimming settings from "High" to "Standard" back to "High" in order to fix this issue. Why is this happening and how can I fix it permanently?