Since pandora came out, I have been searching for PSP's to buy cheaply unbrick etc..
Now i have a steady source and about 30-35 in my possesion. On about 17 of them, when you press the brightness button, the screen goes darker.. then turns off..
Usually when you press it it goes brighter, brighter, brighter. low
On these ones it goes darker, darker, darker, off, on
Then when i updrage to CFW it's sorted, but anybody know why these select PSP's do/did this ?