The App DJI Fly restart alone during the flying of the drone Mini 2, it happens a lot of times during the use, it returns to work, but it is very annoying.

Hello, there. Sorry for your inconvenience. Would you please download and reinstall the DJI FLY through our website first?
https://www.dji.com/downloads/products/mini-2
Please tell us your update after trying. Thanks.