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The HDMI inputs on this TV will support 4K at 60Hz. You would simply want to make sure that the HDMI port is set to 2.0. To do this you would go to Home>Settings>TV inputs>Select the HDMI your device is connected to>HDMI mode>2.0. Hope this helps! Thank you, TCL Customer Support
Sorry, there was a problem. Please try again later.Why bother! The built in Roku streams 4K wirelessly from Netflix,Amazon, and Disney plus flawlessly.
Sorry, there was a problem. Please try again later.I have the 4k also the roku built in is made in 4k 120hz
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