TCL televisions pack a lot of streaming power into an affordable screen, but that also means a higher chance of software ...
Most people leave their TV settings untouched, but if you have a Samsung, a few quick adjustments can significantly improve its visual output.
If your devices only support up to 4K at 60Hz, a "premium high-speed" HDMI cable (18Gbps, HDMI 2.0) is perfectly fine. Again, just avoid really old or thin cables. Early HDMI cables (HDMI 1.4 or older ...