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How can i downgrade my psp 3.90 to any lower firmware by not using pandora battery an memorystick?

by Guest64930  |  earlier

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How can i downgrade my psp 3.90 to any lower firmware by not using pandora battery an memorystick?

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  1. go to pspcube.com


  2. you need to create the mem stick. Theres no other way( that i no of) you can hardmod the battery but thats includes opening up or battery and soldering. You can also by a DATEL battey that already comes PADORIZED. Google it
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