UPDATE Of Firmware ?.......we have many here that for years......have never done a firmware update....I have not done that update for the year and a half that i have owned my Drone my drone controls and flys wonderfully !....Its sure not mandatory and some times a firmware up date can sure booger things up and cause loss of sleep and the pulling out of your hair ! Fly it with what its got.....Then if you have issues then you can you ask about them here.....Then you might want to do a firmware UP date.......good luck and read read read read that manuel....ask away when you need a explanation of any kind.and *Welcome to the best phantom site in the world* !