Got an Advanced for Christmas, very excited. Here is my quandary, it was purchased in October as Christmas gift and has fw 1.19. Must have been old stock right? Two questions. 1. It has original style motors and crazy old fw. Can be returned and exchanged but would be hassle, I would get a free case if I did this. May be able to anyway. 2. If I hold on to it and don't exchange which is what I prefer if it makes sense can I upgrade from 1.19 to latest firmware or must it be done in steps? Dji does not address this in PDF for 1.40. Thanks for opinion and advice.