How long does the SLAMDUNK take to update via USB? And How will I know that the update is taking place? I did what is mentioned in the manual and now I can just see the LED flashing red.
Here is the supposed answer : http://forum.developer.parrot.com/t/updating-the-s-l-a-m-dunk/5107/2
It worked for some people, but when I did the same thing it is not working
Maybe it will work for you