I crashed my first drone.  I got a new one, with a new serial #.  Does anybody know how, in the Go 4 App, I can tell the App that the serial # for my drone has changed?  I have been completely unsuccessful so far.  I would appreciate any enlightenment.

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 Peter Glismann. I am sorry for the trouble this has caused and thank you for reaching out. I will post a DJI tutorial video on how to Link DJI Phantom 4 Pro V2.0 to the Remote Controller. Kindly please keep us posted if still the issue persist. Thank you.