m33-3

Need help!!! It's been a while since I've played with my PSP, but now there a whole lot of games coming out that I want to play. I didn't have trouble before on playing games, but now they don't work. I tried The 3rd Birthday, Final Fantasy IV Complete Collection and Dissidia Duodecim Prologus...

Hi i was reading around since i just picked up my old PSP again and am looking into playing it again, im wondering how i can update my 3.90 M33-3 psp to the latest firmware to play hacked and homebrew? Any tutorials for a newb i havent changed the firmware in like two years and have no idea what...