Yes i have been trying to mod my psp 20001 i will pay 100 via paypal?

when its all done i try to install the SOFTWARE under game time install pandora battier it tells me file corrupt cannot start i need to do this i just got this for christmas and i want custom firmware plz anyone help me i would be willing to pay 100 bucks Via pay-pal to the First person to help me complete the hole thing i will pay 100 bucks pay-pal to the first person to help me get custom firmware on my psp no jokes if there was a place where i live to do this i whould have been there lol ps i have all the nesaser eq to do this u can call me or i can call u or whatever plz hel thx