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Yes, you can't do it.
PSP 6.31/6.35 to 6.20 Downgrader Released
greg | January 24, 2011Davee with a signed dose of downgrading awesomeness! If you're not satisfied with your current firmware (6.31 or 6.35), or homebrew enabler, then downgrade to 6.20 and run Total_Noob's HEN. It's pretty awesome. And when POPs support happens you know you'll want to … unless PRO gets it first.I'll attempt a downgrade with my PSPgo shortly. I'll update letting you know how that goes. If you're feeling antsy, go for it, by all means giver; however, know this: We aren't responsible if you damage your PSP. Follow README.txt and you should be good.
[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 6.20 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.
[What does it technically do?]
It uses the utility/power exploit to gain kernel access and reboots into the updater with a special PRX running. This PRX uses the pspdecrypt functionality to decrypt the updater PRX when needed. This allows the updater to boot in the newer firmwares.
Update: Confirmed working on my PSPgo - from 6.35 to 6.20 in about 6 minutes. Cheers, Davee!
Video:
Download:
6.31/6.35 to 6.20 Downgrader R1 (it's signed for OFW)
PSP 6.20 Official Firmware
PSPgo 6.20 Official Firmware
- source: lolhax
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When did psp 3001 come out?
the psp 3001 came out in 2008
What is the difference between PSP 3000 and PSP 3001?
the 3000 and 3001 are the same but the 3000 is japan, 3001 is US. the last one or two digits is just the region
How can you downgrade a PSP at official Firmware 3.73?
From what I hear one must have a Pandora battery and a magic memory stick. These devices can only be made on a psp with custom firmware, or a psp with version 1.5.
Is there a Custom firmware for psp 6.20?
Right now there isn't. If you want to get custom firmware for psp version 6.20 you need to downgrade to custom firmware using a Pandora battery.
Can you install homebrew version 3.73 psp?
No You need to downgrade to a lower firmware. http://forums.qj.net/showthread.php?t=90919 Look Here
How do you downgrade your PSP-3001 from version 6.00 to 5.03 or lower?
Actually you cant, even if it is said to be done it can not be done.
How do you downgrade PSP version 4.01?
how to downgrade psp 4.01 version...i used Pandora and magic memmory but no responce from the psp?
How do you downgrade my psp 3000 from version 6.20 to 5.00?
It is not yet possible to downgrade a PSP 3000 series.
How do I put version 3.4 on my psp if i have version 5.2 please help me i want to put cso games on my psp and i can't?
well you cant downgrade your psp but if you go to youtube, there are some fantastic videos on how to do it! just type in "how to downgrade psp's" or "psp downgrade"
How do you downgrade psp 3001 5.54 firmware?
you cant yet trust me i have tried and so have others, not possibel yet...............................................
How do you downgrade psp 3000 version 6.30?
You can't do it.
How do you downgrade a psp version 4.05?
It s not possible to "Downgrade" A Psp that has already been patched Improved Answer: You can easily downgrade it without the Pandora battery since you didn't update your PSP passed 5.02. I suggest you don't downgrade since it would be worthless to do so.
Psp with version 5.01 you want to downgrade it?
go to www.customizepsp.com there they will show you different downgrades for your psp.
When did psp 3001 come out?
the psp 3001 came out in 2008
Can you take off the Version 5.50 in the PSP?
yes u will have to downgrade
Which is the the safest to do hacked your psp version 6.60 or downgrade it to 6.20?
download
Can you downgrade a PSP 2000 version 5.02?
NOPE, SORRY. Answer 2: lol yes you can downgrade it easily as long you don't update your PSP passed 5.02 which you haven't yet, I suggest you keep it at this version for now if you custom firmware your PSP.
