SamyGO

Some references, just so you know I am not flapping my mouth:

https://www.samsung.com/us/support/answer/ANS00049150/
https://www.youtube.com/watch?v=7rMovlvGGrg (Watch till the end of the video, they discuss the KU series and why HDR makes no sense on it.)

? HDMI1 maxes out at 60Hz RGB/4:4:4 8bpp or 60Hz 4:2:2 12bpp. - This means it can accept a 60Hz (60FPS) HDR signal. ? HDMI2/3 max out at 60Hz 4:2:0 8bpp or 30Hz 4:2:2 12bpp. - This means it can accept a 30Hz (30FPS) HDR signal. But the above differences are only academic considering your TV doesn't ...

Guys you have no idea what you are talking about. On Samsung TV's the UHD Color option enables 600MHz pixel clock rates on that port (aka HDMI 2.0). The Xbox doesn't display a picture because (by turning off UHD Color) you've disabled support for the resolution/refresh rate that it was using. Plug w...

Nope, even the high end models have that issue.

I know on the KU6300 only HDMI1 supports UHD color. Maybe the KU6000 doesn't support UHD color at all?

Sometimes stuff doesn't work as expected. Try exFAT (FAT64). It's a better choice for a USB stick anyway (its faster).

CE Dimming is enabled in every mode, including Game Mode and Movie Mode (before Tizen Movie Mode would disable CE Dimming). I'm not quite sure why Samsung thinks it is a good idea, it messes with the picture quality by not only changing the max light output, but it also changes the gamma, contrast a...