Please try these steps: delete the app > restart your device > reinstall the app. Let us know if that clears things up.
@TeamYouTube WHY THE F
K MUY BACK BUTTON TAKES ME TO THE PREVIOUS VIDEO INSTEAD OF FROM FULL SCREEN?!?!?!?!?!
You're just making me think that cancelling my premium subscription was the right thing to do 
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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