original psp upgrade to 1.5 HELP!

i just got my psp n i dont have wireless internet... i downloaded a 1.5 EBOOT.pbp file but idk how to update the psp ... some1 help me ima newb! :( :(


i KXexploited the boots and everything i put it ONTO my psp and then it comes with 2 files in memory card, one is corrupted other is the updater... but when i click one or the other it says the file is corrupted... some help!!!

I also tried just going straight to 3.03 OE-A it showed the PSP logo and screen went black... and nothing happened.... any suggestions ? plz its very urgent!!

What firmware are you on?

"system settings, system infomation"

Hold on

version 2.71

can u get on msn ?? i alrdy addedd you as acontact ... so i can have direct chat with u

Ok, please go HERE and follow instructions...

Im always on msn, i will help you!

Ok i'll try..