official sony software , u need higher than 2...
1.5 also can SERVE internet, with the help of homebrew...
if u got the higher version of SONY PSP, u can let ur PSP scan or
ur wireless router, OR
U go to city hall or somewhere that has FREE ( legally ) internet
access... or u can try mc donald... go to network setting, and let
ur psp auto scan the internet... for beginner, just set everything
to auto, then easy setting.. then test connection...
After that, save the setting... then u can SERVE the internet using
the BROWSE INTERNET option on the far right of the PSP menu...