recently purchased a ma2 with the sc all the updates and syncing went perfect been on a few practice flights all went great i have flown drones but not a dji so i have a few questions first is sd cards do i use one in the drone and in the smart controller and how do each of them work second is i am trying to download the dji assistant 2 app so i can download the flight tracks but when i connect the controller to computer it wont let me select the down load media it just stays on battery charging need some help if anyone would like to help out thanks