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[UPD][RELEASE] 6.60/6.39/6.38 Downgrader v4.1 by some1

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TiPi
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[UPD][RELEASE] 6.60/6.39/6.38 Downgrader v4.1 by some1

Post by TiPi » Tue Aug 23, 2011 3:23 pm

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UPDATE: some1 just released version 4.1. Changelog and new DL link below.
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Developer some1 just released an updated version of his downgrader. This version now supports OFW 6.60.

Changelog:
Added Support for 6.60
Fixed 6.60 problem that didn't allow to downgrade to anything greater than 6.20, thanks to Davee
Allows any updater that is greater than or equal to the factory installed OFW (Has not been fully tested, will most likely work on 500 and up)
Special Sauce added by Proxima


Full announcement by some1 on PSPslimhacks.com:



Important Note: This Kernel Exploit was NOT found by me. It was handed to me by Zecoxao, and it was handed to him by Davee.
Another Important note: You run the application at your OWN risk. I am not held accountable if you screw up your PSP.

After a long wait, here is the port of Davee's 6.35/6.31 downgrader to 6.60/6.39/6.38.

This is a very simple app, just put the desired destination OFW in PSP/GAME/UPDATE, and the app will read the factory installed OFW (aka, the OFW it came with), and allow any updater greater than or equal to this OFW. The range for this has NOT been tested, so I do not know which OFWs it is possible to downgrade to, for which model, but I've tested from 6.60 to 6.20 and 6.35, 6.39 should also work. If you use the wrong updater, the update itself will error out or go back to XMB.

[V4.0] Change Log:
Added Support for 6.60
Fixed 6.60 problem that didn't allow to downgrade to anything greater than 6.20, thanks to Davee
Allows any updater that is greater than or equal to the factory installed OFW (Has not been fully tested, will most likely work on 500 and up)
Special Sauce added by Proxima

[V4.1] Change Log:
Added Source Code
Added Safety net just in case, for some reason, your psp does not have the 0x51 key, the safety net sets minimum version to 6.35 if you were getting an error from v4.
Includes Proxima's prxencrypter with gzip support.

Thanks:
[spoiler]To Davee for making the original 6.35/6.31 downgrader, and for finding this exploit.
To ultimakillz and skyend for being my mentors when I first entered the scene.
To n00b81 for teaching me a lot of things.
To Davee, Freddy, TheLemonMan, Hellcat, and Draan for answering any question's I've had.
To TiPi and Nymphaea for allowing me to work on their VSH sploit, which gained me alot of knowledge and experience.
To Npt for hosting such an awesome competition!
To Arnold, for fixing things here and there.
To All the people who beta tested!
To TiPi for the awsome icon0.
To Zecoxao for handing me the exploit.
To Proxima for adding the special sauce!
And to many others that I'm probably forgetting.[/spoiler]


[ [SOURCE] | [DOWNLOAD V4.0] | [DOWNLOAD V4.1] ]
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The_Black_Panther
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Re: [RELEASE] 6.60/6.39/6.38 Downgrader v4 by some1

Post by The_Black_Panther » Tue Aug 23, 2011 3:50 pm

Oops... That was fast. Now people can freely go up to 6.60 and come back. Thanks.
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PSP 3004, 4G || 6.20-> 6.31-> 6.31 PRO-> Thank you Davee -> 6.20-> 6.20 TN-D-> 6.20 TN-E/TN-Extended/Pro B10 :D

And I love Game Categories Lite. I have more than 30 Homebrews in my Homebrew Games folder.

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stevealexanderames
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Re: [RELEASE] 6.60/6.39/6.38 Downgrader v4 by some1

Post by stevealexanderames » Tue Aug 23, 2011 4:04 pm

wow :D what about some1's HEN?
PSP 3004 3G 6.20 LME / PRO(MOD)-C
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onheion
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Re: [RELEASE] 6.60/6.39/6.38 Downgrader v4 by some1

Post by onheion » Tue Aug 23, 2011 4:18 pm

Thanks for the information :D
but why this is in the General forum, not in the Downgrading forum?

TiPi EDIT: Whoops, fix'd.
Quick fix!!

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stevealexanderames
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Re: [RELEASE] 6.60/6.39/6.38 Downgrader v4 by some1

Post by stevealexanderames » Tue Aug 23, 2011 4:56 pm

i've got few questions:
-this app can be used only on 6.60 6.39 6.38 6.35 6.31 as always right?
-why this is only 700kb when the old downgrader was 6MB?
PSP 3004 3G 6.20 LME / PRO(MOD)-C
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jvhellraiser
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Re: [RELEASE] 6.60/6.39/6.38 Downgrader v4 by some1

Post by jvhellraiser » Tue Aug 23, 2011 5:04 pm

It works i tested already in my Psp 1001 01g.

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The Z
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Re: [RELEASE] 6.60/6.39/6.38 Downgrader v4 by some1

Post by The Z » Tue Aug 23, 2011 5:33 pm

White PSV TV - 32GB - 3.60 CFW
White PSV 1000 - 32GB - 3.65 CFW
2x PSV 2000 - 32/64GB - 3.65 CFW
PSP Fat 1000 - TA-081 - 6.61 ME-2.3
PSP Slim 2000 - TA-085¹ - 6.61 ME-2.3
4x PSPgo & 1x PSP 3kº⁴ᶢ - 6.61 LME-2.3∞

hrfounder
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Re: [RELEASE] 6.60/6.39/6.38 Downgrader v4 by some1

Post by hrfounder » Tue Aug 23, 2011 7:02 pm

this doesn't work on my 02g


"A later version of the system software is already installed.
There is no need to update.
(CAAFFFFFCF7)"


i tried downgrading to 6.20, 6.35 and 6.39... none seem to work...
help please :(

edit: could it be that i'm trying to downgrade it with the wrong ofw? dunno what ofw came with it from the factory, but the readme said something about it... what ofw should i try?

some1
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Re: [RELEASE] 6.60/6.39/6.38 Downgrader v4 by some1

Post by some1 » Tue Aug 23, 2011 7:19 pm

hrfounder wrote:this doesn't work on my 02g


"A later version of the system software is already installed.
There is no need to update.
(CAAFFFFFCF7)"


i tried downgrading to 6.20, 6.35 and 6.39... none seem to work...
help please :(

edit: could it be that i'm trying to downgrade it with the wrong ofw? dunno what ofw came with it from the factory, but the readme said something about it... what ofw should i try?
weird, what's your mobo? Can you use idstorage manager to dump your keys and send me the 0x51 key?
way to keep a secret malloxis...erm jeerum
Hmm, a demo user mode exploit doesn't seem as important anymore, I wonder why... xP

hrfounder
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Re: [RELEASE] 6.60/6.39/6.38 Downgrader v4 by some1

Post by hrfounder » Tue Aug 23, 2011 7:35 pm

some1 wrote: weird, what's your mobo? Can you use idstorage manager to dump your keys and send me the 0x51 key?
psp-2004

idstorage manager errors if i run it trough HBL

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