For all of you guys having problems with desoldering components from the Nava board or in general... I just uploaded a short clip showing this process with my new desoldering station. It might also be useful for some of you guys to invest some money into a tool like this. It costed around 80 Euro and works very good. Take a look here:
https://www.youtube.com/watch?v=v0iA_b0WTDg
Desoldering components
Nice tool 
