The quality of your network can affect how smoothly YouTube videos play, and whether videos play in HD. Also, check your WiFi or Internet speed. More info here: https://goo.gl/Nnd1AM
@TeamYouTube since yesterday whenever I start a video the quality switches to 144p randomly after a few seconds or minutes . When I switch back to 720p it works just fine. So what's the problem?
it's annoying as hell 
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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