-First of all your going to need a PSP (I am using a slim)
-A SONY battery (other brands dont function the same way)
-A Memory Stick (1gb -4gb)
- 7-ZIP (YAY Open Source) ...... or winrar....
-Iced Tea ?
Step 1: Making the "Magic" Memory Stick !
Connect your psp via USB to Your PC !
Okay Now Open Up RAINS MMS, Select Your PSP's drive letter, Then Check off the FORMAT option , and if you want to backup you data Check the BACKUP box as well !