Playback Issues - Audio/Video & Power

Help with audio & video playback issues, TV display type recognition & compatibility, HDCP messages, troubleshooting playback errors, advertisements, and resolving power issues.
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Level 7

Bad Colorbanding/Posterization on TCL S405 after 9.4 and Xbox Series X, anyway to fix?

Hey guys, I’m getting bad color banding/dithering issues (let me know if I’m using the wrong terms) on my 3 year old TCL S405 that I hadn’t noticed before. I first noticed it when I set up my Xbox Series X, but am now seeing it on my Apple TV. It’s mainly in darker parts of the screen. These Forza Horizon 4 logos were a great example.

Is there a setting I need to change to get this to go away? I’ve been fiddling with every setting I can think of on the TV, Apple TV, and Xbox. I’ve used different inputs and different HDMI cables. Is it just a part of my TV now, or did the recent firmware update screw up something?

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