I constantly have weak signal notification and loss of connectivity with the drone less than 100m from the remote controller.  I have read the various forums that talk about potential fixes for this issue and and have tried those that  I can.   Most suggest the problem starts after firmware updates, which may have been the case for me as well.    I have borrowed a smart controller and it had the same issue.   It therefore doesn't appear to be a problem with the remote controller.  IS there a way to diagnose the problem without sending machine in?

Hi there, please try to test in a different place with less interference to see if the issue still exists. You can also try to refresh the firmware and pair the remote controller and drone again to see if it helps. If the issue still exists, we recommend you submit a case through the link below and send it back for further diagnosis. http://www.dji.com/support

DJI Mindy Posted at 8-8 01:01
Hi there, please try to test in a different place with less interference to see if the issue still exists. You can also try to refresh the firmware and pair the remote controller and drone again to see if it helps. If the issue still exists, we recommend you submit a case through the link below and send it back for further diagnosis. http://www.dji.com/support

Thanks, has occurred in multiple locations. I will try teh firmware refresh.

Brian@watershed Posted at 8-8 03:16
Thanks, has occurred in multiple locations. I will try teh firmware refresh.

Hello Brian, please let us know if that works, and should you have other queries, please let us know. You are also welcome to contact our support team at https://www.dji.com/support for assistance.