TCL s405 series. Can't enable chroma 4:4:4 even in 1080p

Kdawg

[H]ard|Gawd
Joined
Aug 12, 2017
Messages
1,116
Just got this tv, and I am unable to enable chroma 4:4:4 even in PC mode at 1080p.
The classic "quick brown fox" chroma image shows 4:2:0 or less. The last 2 lines are garbled.

Is there a trick to this?

When I played with the Samsungs, they just worked.



Edit: solved problem by downloading OTA update and rebooting the TV.
Now 4k 60hz 444 works.
 
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