I am in the exact same boat.
Mavic Pro Platinum, Nexus 6P, DJI Go 4: V4.2.20, Mavic Pro: v01.04.0400 (for now)
The video streaming to my phone is so choppy, it's useless. I have noticed that overall, the app on my phone is slow and sluggish. It takes a while for any tap to register. Outside of...