Hi! You might be better off posting your question in the 'products' section of this forum. That is way more active. - https://forum.dji.com/forum-129-1.html
Hello there. I am sorry for the trouble this has caused and thank you for reaching out. May we please know what is the model of the mobile device that you are using please and can you please try to uninstall and reinstall the DJI Fly ( https://www.dji.com/downloads/djiapp/dji-fly ) application for us to be able to isolate the said issue. In addition kindly please sync all of your flight records before uninstalling the DJI Fly application on your mobile device for you not to loose your previous flight information. Thank you.