PSP Firmware 6.60 Downgrader Released


So since the PSP is hacked to shit -- and Sony isn't suing anyone who targets it -- developer some1 has released PSP Downgrader v4. And in addition to 6.60 support you can now downgrade to any official firmware, but -- more on that after this...

This downgrader, originally developed by Davee for 6.31 and 6.35, which some1 ported to later firmwares -- 6.38, 6.39, and 6.60 -- now lets you downgrade your PSP not only to 6.20, but any official firmware (OFW) you so desire. Although with that, comes this: You can only downgrade to a firmware greater than or equal to the factory installed OFW when your PSP was purchased; this downgrade has not been fully tested with all the different PSP models and OFWs; I wouldn't try anything silly, like jumping way back to firmware 1.50; we are not responsible if you damage or brick your PSP.

The firmware 6.60 downgrade is made possible by a (new?) kernel exploit discovered by Davee; that was then passed down to Zecoxao, who later made said exploit available to some1. So mad props to everyone -- full circle!

Download: PSP Downgrader v4

- source: @bsanehi

Wow. Thats amazazing.

Greg that was the real source ->http://forums.pspslimhacks.com...

HAHAHA......"The ability to go back in time is yet the most precious gift, meaning that can now correct dumb decision and take the blue pill and tell sony to KISS MY ASS!" im staying on 5.03gen-c with my psp-3000, thanx o great one who made this downgrader, thumbs up to you ;-)

Not to be a jerk or anything, but you should try out some other CFWs.  I use neur0n's 6.35.http://psp.usamimi.info/

Im using a psp-3000, i dont think neuron's CFW will wrk on it, i jumped back and forth trying all CFWs PRO and TN, the problem is getting ISOs to run it on them, not all of them run even though patched using ISO Tool, i know that 5.03gen works just as good as 5.00m33-6 coz i own a PSP Phat as well with 5.00m33 installed on it, the psp-3000 and Go is just a pain to work with, one wrong move then its over

Well, neur0n's can use the Prometheus loader natively.  There are instructions, but you just throw some files into seplugins.  That's what I use, and I've never had a problem, no patching required.

you know now that you mentioned it, i havent really tried neurons CFWs, i just never took note of the light edition, at some point i thought he's CFW only works on 1000 and 2000 models coz the non-light versions i keep seeing. I'll give it try, thanx tehsusenoh ;-)

hi can i ask how did u made it 5.03gen-c from 6.20? thanks

sometimes the downgrader ends up crashing or hangs before the updater loads on lower firmware, what i did was update to 6.35, then downgraded my firmware, i went back to OFW 5.00, then updated to 5.03, run ChickHEN/MHUspeed, then installed GEN-A and then GEN-C, poof!! blast back into the past!

may i ask if the 6.35 you used is OFW? thanks sorry noob here :D

yeah its OFW, i updated to this FW coz i had trouble downgrading on OFW 6.31, the downgrader worked well on 6.35

But i thought that would brick ur psp, well on a 3000 any way, cuz the lowest factory installed FW is 4.70 but most are like 6.10, well urs must be like one of the erlist versions of the 3000.

@greg, you sir deserve an internet :3

i have a psp 3000 and this isn't working is their a button or something i have 2 press?

Not really but with the given information don't expect any help.

[How do I use it?]Copy the “PSP” folder to your PSP. The downgrader is “signed” and can be launched from OFW XMB. You need to copy the (Example: OFW 6.20/6.35/6.38/6.39) update to PSP/GAME/UPDATE/EBOOT.PBP and for PSPgo it must be the eflash it is placed on. After setup run the downgrader and follow the onscreen instructions. Hope this can help you guys to solve the problem

it gives me a the game could not start message?

Me too. I got the same message.

you need the official update to work

lol psp is hacked to shit

plz help!

what was the first firmware u had on ur psp whe u bought it?

for which mobo? v3 or non v3?

im sorry im kinda new to this stuff um whats mobo and how do i find it?

Worked Fine With My PSP 3004,09G Model!!! But everyone put the downgrade update of which your psp was pre installed when you brought it. For 04g - 6.20 , 09G- 6.35.

Minei s 03g - 6.35 but doesn't working at all...

I original bought 03g in version 6.35 . So what will be the problem right now... hmm...

[How do I use it?]Copy the “PSP” folder to your PSP. The downgrader is “signed” and can be launched from OFW XMB. You need to copy the (Example: OFW 6.20/6.35/6.38/6.39) update to PSP/GAME/UPDATE/EBOOT.PBP and for PSPgo it must be the eflash it is placed on. After setup run the downgrader and follow the onscreen instructions. Hope this can help you guys to solve the problem.

Thanks to the person who made this downgrader. I get it and it's working so no problem at all. Thank you a lot.

i am a noob so ikind of need help on how to completly use this software also what happens when psp is bricked?

i cannot find the update folder in my game folder. So do i need to create a update folder or what. Someone please help me!! Im kind of a noob.

Yes. You can just create "UPDATE" file folder at GAME folder.

create one name it "UPDATE"

Can anyone tell me what is the OFW of PSP Go when you first bought it? I can't remember.

EDIT:If this hasn't already been made clear, as I figured out, drop the files in the download archive onto the PSP folder as usual; THEN, go into the PSP/GAME folder and ADD a new folder named UPDATE, with the eboot.PBP file from the 6.20 Firmware.In PSP/GAME there should be a "6.xx Downgrader v4" folder AND an "UPDATE" folder, both with their own "eboot.PBP" file

Did you extract the eboot.PBP file out from the archieve?

Yes; I dragged the PSP folder from the archive that I downloaded and allowed it to replace the PSP folder on my memory stick, as prompted. Then I went and downloaded the eboot file for the 6.20 Firmware update.The eboot file that came with the archive stays in the folder "6.xx Downgrader v4", while the new eboot file, for 6.20, is placed in a new folder named "UPDATE".

i tried but was told the data is corrupted

can someone explain this to me as if i am a two year old

This Is Great! The Ppl At My Site Have Been Dying For This THANX TO ALL THE DEVS!

Now I can find out how to downgrade to 5.xx with my 04g PSP! Waitasecond, hmm... I'd better not downgrade to 5.xx after all :L

I have a psp 3004 04G with 6.20 PRO right now. Should I stay with 6.20 PRO or downgrade to a 5.xx CFW ?

CONFIRM WORKING THANKS TO ALL DEVS :)TOOK A AGE TO CHARGE BUT ALL GOOD NOW 6000 GAMES ON 1 PSP GO IM IN HEAVEN!!!!!!

Ok, how did you fit 6000 games on a PSP go?

game wont start 8000c message u need ofw update 6.39 in update folder same memory as the downgrader then all good root/psp/game/put downgrader here           "     " /update/put ofw update here 6.39 is best!!!!!!any problems msg me n i will t a l k u t h r u deeeead slow like lmfao this worked for me on psp go 5 (g)

i put it in the folder and i couldnt get it to work how do i

AWESOME!!! i accidently updated to 6.60 by doing the cfw update wrong! now i can FINALLY go back to 6.39 me9!!!!!!!! THANK YOU!!!!!

what psp are you using, don't want to brick my psp 3000

can u plese make some unbrick for psp 3000 because i brick it beacuse i experiment my psp 3000 into gameboot.pmf

If you can go to Recovery menu, switch the USB mode to where ever you put the gameboot and remove it and it should work...

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