DJI doesn't typically create RC-N3 FMC packages with Plus batteries. It would also be nice to have a package with Plus batteries and no remote controller.
No video, but it's pretty easy. Go to device management in DJI Fly, unbind the drone with the unbind button.
Then log in to your DJI account from a web browser, and remove the drone from your registered products.
Now you can sell it.
Yes it is an activation issue but the opposite of what I expected. I started with a Mini 4 and RC 2 which worked perfect. I then bought a Mini 5 and bound and connected it to the RC 2. I used the RC 2 to fly both drones. I could connect to both...