im new i just signed up and i wanted to ask some questions i have a psp that i got and i had this for a pretty long time, its a version 2.71 and i had a dev hook for it, and i tried to download some new games since im tired of playing my old 1s, i finally finished downloading nba 08 and wwe 08 i tried ot put them in and i did the steps and stuff and i wanted to play it i went in my dev hook and got the game i wanted to play i clicked on the UMB and than it said i needed to upgrade my PSP. what should i do? help would be greatly apprieciated