I have been doing this a while (since 2019) - and it ALWAYS pays to buy as much kit as you possible can at once. The value of Fly More is less a value than it once was, but still, add the price of batteries bought afterwards alone and its...
It's just the equivalent of a lens hood, there's no glass in either that one or the mini 3 pro version. Without it you will get more lens flare. Before you gum things up with blobs of glue: get a magnifying glass and check out the four locking...
Have you tried the obvious yet? A drop of either WD40 or watchmakers oil on the tip of the metal spindle followed by gentle and repeated downward pressure on the plastic rotor hub to encourage release.
There is a metal compression spring beneath...
Just as a matter of interest (...I bought this drone 2nd hand...) do you know how many cycles the battery had registered?
Pretty much the number #1 reason for mysterious power failure crashes with both the original Mavic pro and both versions of...