_best_ — Psp Version 9.90

: Find the option labeled USB DEVICE and change it from "Memory Stick" to Flash0 .

: On your computer, open the PSP drive. Navigate to the folder vsh > etc . psp version 9.90

: On your PSP, go back to the VSH Menu (Select) and change USB DEVICE back to Memory Stick . This is a critical step to prevent system corruption. : Find the option labeled USB DEVICE and