If the video you shot is slight to the left or right and you need to crop it to size, you can use the Adjustment Layer tool in Adobe Premiere to crop the whole video. 

I will show you how you can save a badly shot video and make it fit to scale when you edit in Adobe Premiere.

 
OnePlus 5 Jelly Scrolling Effect: Confirmed
I think a recall is in order on the OnePlus 5