@TeamYouTube, why in the world is the video buffering every 2 seconds for ages even after it's loaded (evident by the white bar) and when I'm on 4G+ data?pic.twitter.com/pJZkiGNmK7
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Hmm, that seems odd. Can you try uninstalling the app updates> restart your device> reinstall app updates. This mostly fixes most intermittent issues. Let us know if that makes a difference.