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This is happening more often since the last couple of updates, I'll be getting ready for bed, turning on netflix and going to change energy saving to maximum and blue light filter on but clicking the option to change energy saving works but when I actually click an option that isn't already selected it doesn't switch to it. The only thing that remedies this is a restart of the TV. Restarting is annoying and takes up time.

Youtube runs only in 2560 x 1440. No way to change the resolution to 4k. Just bought LG 50UH5500 4K with WebOS 3.0 and am trying to figure out how to run youtube in 4k with in built app. Has anyone have resolution problem using YouTube on 4k TV? I checked 'more info" and it shows me current resolution of YouTube, which is 2560 x 1440 instead of 4k and there is no option to change the resolution. I have to use web browser and only then i can see it in 4K. However, the default is set to 1080 on web browser, so have to manually change it to 4k evey time i use youtube on web browser. Wish there was an easy way to set defaults and the YouTube app with an option to change the resolution. I do have internet speed of 25 Mbps, which i suppose is capable of 4k.