Having one's drone grounded unless a firmware update is accepted means that such an update is being imposed by force.
As a Mini 3/DJI Fly user, I'll be watching this thread carefully. I'm now a bit worried about my Mini 3 getting grounded...
Turns out I didn't look far enough down the menu listing in Litchi to locate the C1 and C2 button assignment menu item. I was so exasperated that my mapping mission had been ruined by the gimbal going haywire that I just scanned through the...
Ah, I never thought to look in the Litchi settings since I'd never had any use for those buttons in the past. I just went straight to DJO Go4 to try and kill those buttons, only to find out that they weren't assigned to anything in DJI Go4...
So your issue is probably that you don't have them disabled in litchi, so when you use that it uses its own settings regardless of what you set up in Go.
Thanks so much, Slup, for this far simpler solution than my DIY attempt in the above pictures. Despite those two bottle caps being in place, I still managed to press one of the buttons when a bottle cap flexed, which again sent the gimbal...