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1. This would likely be signal strength or processing power related. Make sure your antenna are pointed properly. Also, make sure all other drone related apps are all fully closed to prevent interference. Please make sure you are using an iOS device with at least an A10 processor or better and that it is not overheating.
2. The Air 2S does not support waypoint flight so it uses "Virtual Stick" controls which means that the app is essentially using simulated control sticks to fly the aircraft just as you would. If you touch the real sticks it stops the automated controls. There is not a way you can resume without landing and resetting.
3. This means that the camera is trying to take images faster than the camera can write them to the SD card. Bad SD cards are bad. Map Pilot Pro attempts to pace the flight according to the overlap and altitude settings but that is based on certain assumptions on how quickly your SD card can accept images. You can slow down the SD card write speed in the camera section of the Map Pilot Pro settings. This too could be related to the use of an older iOS device.
4. Not with the Air 2S, it needs control signals at all times. With waypoint flight you could send it out to do a flight and it wouldn't need any other inputs.
