Hi I set  my phantom 4 up to fly today and it says disconnected so i uninstalled the app and reloaded it and it comes up with mavic , tried reloading the app and its the same.
Help please, thankyou in advance
teza

I am using a samsung 8  teza

changed usb lead and it worked, after 3 hours of trying

Hi, we're sorry for the inconvenience that you had with the application. However, it's glad to know that you've managed to fix the problem via changing the cable. Thank you for your support.