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Level 7

Roku Media Player on TCL 4k TV doesn't display photos in correct resolution.

I'm trying to display 4k picture files on a 4k TV with Roku built in, but the app seems to only display at a lower resolution by default and then upscales to 4k instead of displaying 4k picture files natively.

It's easy to verify this because I have prepared duplicate images (1 downscaled to 1080p and 1 4k native. Both based on same high res source) on a USB drive to test this and between a 1080p and 4k image there is no visible change when there should be from switching to the 4k native image.

Does this app only run and display at a lower resolution on purpose? Even on a 4k set with the roku built in?