Welcome to the forum!
DJI MM1? You bought it new like in 2020?
Never have have flown it?
Have you ever charged the battery?
Have you ever powered it on?
Will power up at all?
Skip firmware, that is last thing you ever try!!
You will get good...
Hi Everyone, new to the forum. I have a DJI Mavic Mini and have had for several years. It has never been flown. I have only one battery for it until recently when I purchased several more low cycle batteries from Flysafe. I was able to charge...