Hmm, have you tried clearing the cache and cookies of the browser to see if it helps? Here's how: https://goo.gl/dwzcyo . Also, try on a different device/browser. Keep us posted.
@TeamYouTube still haven’t fix this issue where you click on the video and it was in 1080p and then auto to 360ppic.twitter.com/dyYKIrQqPn
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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