TCL televisions pack a lot of streaming power into an affordable screen, but that also means a higher chance of software ...
If all of that checks out and your ISP shrugs when you call them and ask for help, it's time to stop guessing and start ...
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 ...