Format PSP Using 4-Button Combo

Tested on all PSP's even PSP 3000

1. Completely power off your psp


2. Hold the button SQUARE, TRIANGLE, SELECT, and START Then Power On, you should get a blank screen. Kinda looks you bricked. Keep the button helds for few more seconds then let go.


3. Your psp will format it's flash 1 and reset the settings.