Np 
How do we put a video on our profile?
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Just right click the video or gif u want and then you can download it. Then go to ur custom background one and click it. Press upload background and then choose to upload from files. Select the vid or gif an dinsert it
the one I'm currently nusing is supa hot fire as u know , but I can't put it here because I did itnon the phone 
Go to settings, and then at the box below, click the video icon, copy and paste the YT video link and save