lol, dude before you an install some custom firmware like dark alex's 4.01m33
you gotta downgrade your whole psp with pandoras battery, i have official firmware my self and never bothered with custom firmware.
you can buy a pandoras battery on ebay, and theres always a rsk of bricking your psp (breaking it). Custom firmware offers much more than official though,
but i love my psp as it is and not bothere about custom. =]
The pandoras battery wil downgrade ur psp, THEN u install the m33 firmware.
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