4k upscaled judder on 25FPS movies

[Atlas]

Recommended Kodi Settings

Below are the video settings which we recommend for Kodi v18 Leia, by default our builds will use these settings unless you have changed them. Settings > Player > Videos Adjust display refresh rate => On start / stop Sync playback to display => disabled Settings > System > Display Whitelist => de-select all options Resolution => 1920x1080p Notes: Whitelist: When this feature was first introduced into Kodi it was very problematic for Amlogic devices and would cause playback issues if …

Not sure but this may help ? I think you have to set your box to 1080p but I’m not sure … I have same issue but with x950h Sony UHD here