Instructions
Slide the PSP power switch into the "power" position. The LED should appear green.
Navigate through the XMB (Cross Media Bar) until you reach the "Settings" tab.
Scroll down to "System Settings" and press the "X" button.
Scroll down to "Restore Default Settings" and press the "X" button. The system will now reset.
Follow the onscreen instructions to set the language, time zone, date and nickname.
Navigate through the XMB until you reach the "Settings" tab.
Scroll down to the "Security Settings" tab and press the "X" button.
Select "Change Password." The default system password is "0000." When prompted, enter "0000" and press "X." Now enter your own password.