application works but have no idea how to set proxy/ get navigami to work

hi there,
ive downloaded the navigami application on a samsung d900 and the application starts up but i cant set the proxy or enable http. can anyone help me out on this (set proxy through a serial port)
thanks

http

is it possible to download maps using http? I tried it on my brtohers d900 ant it was working. but I didn't try proxy.