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afterdawn.com > forums > consoles > sony psp - mod and firmware discussion > downgrade 3.90 fat psp help please.
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Downgrade 3.90 Fat PSP help please.
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HellFireX
Newbie
_ 		25. August 2009 @ 12:18 _ Link to this message    Send private message to this user   
I looked at the stickies and did some googling but found very little information (most of the guides are missing or deleted)

So is there a current guilde people go by? I am ready to create a Pandora Battery and a Magic Memory Stick, I found a halfway decent guide on doing those but the guide ends with me having "3.71M33" firm ware, but I dont know what to do from there (assuming that is the correct step in the first place)

Please help.
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Farrukh49
Member
_ 		25. August 2009 @ 14:50 _ Link to this message    Send private message to this user   
go ahead and follow the tutorial which will upgrade your psp to 3.71 M33 from there it is easy to upgrade to 5.00 M33 or 5.51 Gen-B. To make a pandoras battery you need a PSP with custom firmware or you can open your battery to make a pandoras battery and magic memory stick can be made with any PSP. if you dont have a PSP with custom firmware to make pandoras battery or dont want to open your PSPto make a pandoras battery you can use chikHEN to put customfirmware on your PSP.

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HellFireX
Newbie
_ 		26. August 2009 @ 10:50 _ Link to this message    Send private message to this user   
Originally posted by Farrukh49:
 go ahead and follow the tutorial which will upgrade your psp to 3.71 M33 from there it is easy to upgrade to 5.00 M33 or 5.51 Gen-B. To make a pandoras battery you need a PSP with custom firmware or you can open your battery to make a pandoras battery and magic memory stick can be made with any PSP. if you dont have a PSP with custom firmware to make pandoras battery or dont want to open your PSPto make a pandoras battery you can use chikHEN to put customfirmware on your PSP.
Upgrade? You mean downgrade right? I am at 3.90 and this will take me down to 3.71, do I downgrade further (to 1.5?) how do i install programs to play games off a SD etc? and where do I get them?

A guide would help.

Also I have what I need to create the battery but dont know what to do from there.
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Farrukh49
Member
_ 		26. August 2009 @ 18:53 _ Link to this message    Send private message to this user   
if you have a PSP that already has custom firmware on it then you can use that to make a pandoras battery and if you dont have a PSP with custom firmware then you can not make pandoras battery with that, insted you will have to open the battery and do some soldring. There is a new way of putting custom firmware on the PSP without pandoras battery. here is a tutorial from afterdawn
http://forums.afterdawn.com/thread_view.cfm/781188
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HellFireX
Newbie
_ 		26. August 2009 @ 19:59 _ Link to this message    Send private message to this user   
Originally posted by Farrukh49:
 if you have a PSP that already has custom firmware on it then you can use that to make a pandoras battery and if you dont have a PSP with custom firmware then you can not make pandoras battery with that, insted you will have to open the battery and do some soldring. There is a new way of putting custom firmware on the PSP without pandoras battery. here is a tutorial from afterdawn
http://forums.afterdawn.com/thread_view.cfm/781188


Sweet thanks for the tutorial, funny the guide I found said I could make the battery for an unmodded PSP by remivg pin 5 and making the magic sd on the PC, but if it is not needed thats great :)
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