Well it comes down to he need gainroot installed. Until then aircrack isn't going to work. For the most part aircrack is pretty useless on the Nokia any way. It's more of a see if we can kind of thing. If the OP is really just trying to pentest networks he actually has permission to, then he ought to be using a real computer that's properly set up and not a handheld that for the most part really doesn't have the horsepower to properly use the tools at hand.