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afterdawn.com > forums > consoles > sony psp - mod and firmware discussion > downgrading of psp 4.05
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Downgrading of PSP 4.05
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Negso
Newbie
_ 		20. September 2008 @ 01:10 _ Link to this message    Send private message to this user   
Hi.

I just bought a slim psp two days ago. It's upgraded to version 4.05.
I would like to downgrade it, but don't know how to do it!! I am a noob inside this area, so I was hoping somebody could write me a complete guide of all the things you need to do to downgrade your psp.

Thanks.
- Negso
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Donaldo
Senior Member
_ 		20. September 2008 @ 01:43 _ Link to this message    Send private message to this user   
the guide is already written...

http://forums.afterdawn.com/thread_view.cfm/610313

read it... read it again... after reading it say 5 to 10 times then ask any question you have.
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cee43ja1
AfterDawn Addict
_ 		20. September 2008 @ 05:23 _ Link to this message    Send private message to this user   
you can't downgrade it. all psp that has 4.05 from the factory cannot be downgraded until a new universal unbricker is released.
[ + quote]
ps2: v7 scph-39001 - independence exploit - hdloader 0.8c - maxtor 300gb hdd
(+[__]%) psp slim ta-085v1: 6.60 PRO B10
wii (powered by bootmii/priiloader): 4.1u - d2x v10beta53-alt (base 56) - configurable usb loader v70r51/devolution r188 - wd scorpio black 7200rpm 320gig w/ ams venus ds2 enclosure

got a whole lot more to list . . .

This message has been edited since posting. Last time this message was edited on 20. September 2008 @ 05:23
Negso
Newbie
_ 		20. September 2008 @ 11:54 _ Link to this message    Send private message to this user   
It's not 4.05 from the factory. It was 3.95 when I got it and I updated it to 4.05 before i knew about the downgrading.
But can I still not downgrade it?
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Donaldo
Senior Member
_ 		20. September 2008 @ 12:22 _ Link to this message    Send private message to this user   
you can install CFW fine follow the link to the guide i posted about
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