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Sony PSP - PSP system cheats

Charging from Ps2 
Plug the USB cable into the Ps2 USB port and the other end into your PSP. 
Turn the Ps2 on. The orange LED will be light up.

Change background color 
Change the month at the "Date And Time" options screen to alter 
the background color of your PSP system.

Month - color:

January: Silver 
February: Orange 
March: Light Green 
April: Pink 
May: Green 
June: Purple 
July: Teal 
August: Blue
September: Darker Purple 
October: Orange 
November: Brown 
December: Red