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Tuesday 2.12.2025 / 16:02
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afterdawn.com > forums > consoles > sony psp - mod and firmware discussion > downgrade 3.9 to 1.5
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Downgrade 3.9 to 1.5
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dantex3
Suspended permanently
_ 		30. July 2008 @ 17:05 _ Link to this message    Send private message to this user   
I have a fat psp and i was wondering if there is any guide, or if anyone knows how to downgrade it. It has 3.9 Official Firmware right now, and I have another psp with a CFW 4.01 m33 to create a battery, can someone help, thanks?
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mrgooey
AfterDawn Addict

4 product reviews
_ 		30. July 2008 @ 19:29 _ Link to this message    Send private message to this user   
To downgrade (and get a custom firmware) or unbrick your PSP, u need the Pandora's Battery. There is three ways to get the Pandora Battery.

1. Find a someone who has a Custom Firmware that is willing to let you borrow their psp. You will use their psp to softmod the battery. Meaning using software to make the Pandora. If you willing to do this, follow this guide:
GUIDE
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afterdawn.com > forums > consoles > sony psp - mod and firmware discussion > downgrade 3.9 to 1.5
 

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