On 4K (UHD) TVs, you can independently configure each HDMI input to match the capabilities of the connected device. From the Home screen menu, navigate to Settings > TV inputs, and then select an enabled HDMI input. Next, select HDMI mode and then select one of the following settings:
•Auto – Let the TV determine the best setting. Use this option unless your HDMI® device does not correctly communicate its HDMI® version information.
•HDMI 1.4 – Configure the input for compatibility with HDMI® version 1.4, which supports a maximum refresh rate of 30 Hz at full UHD resolution. Most HDMI® devices will work correctly with the TV in this mode.
•HDMI 2.0 – Configure the input for compatibility with HDMI® version 2.0, which supports a maximum refresh rate of 60 Hz at full UHD resolution. You must use this mode to view HDR content from the device connected to this HDMI input. However, note that many older HDMI® devices do not work correctly when the TV’s HDMI input is set to this mode.