I have the Mini 2 and updated the DJI Fly app to 1.4.8 but most of the time when I touch and hold the middle of the screen to set the exposure I don't get the yellow circle. Instead I get the gimbal slider. Sometimes the exposure circle and slider comes up, and wont go away, but I cannot figure out what I'm doing different. And why would the gimbal slider come up upon just touching the screen anyway? Anyone else have this problem? I've tried tapping it and also holding it down for a couple seconds, in the middle of the screen to no avail.