problem

I have a mavic 2 zoom and everytime I make a hyperlapse, set everything to manual including WB, every some seconds the video just turns darker as if the settings have changed. I attached an example so you see what I'm talking about. What am I doing wrong? Anyone had this issue before? Fix ideas?

Almost every time I go to fly my Inspire 1, the first couple times I take off it hits 98', says "maximum flight altitude reached" and I have to land, power cycle both the aircraft and the controller, and try again. It usually works on the 3rd or 4th try but there's no way to know if it will or...