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Grayback · 30/12/2010 07:40 PM

Downgrading Using 6.20 TN-B Hen

[Image: 0701B000F500343435.jpg]

Warning!
Remember that all the firmwares are not supported by all models of PSP!
So do not try to install:
Below the 3.60 firmware on a PSP Slim (2000)
A firmware below 4.20 for the PSP 3000
Below the 5.70 firmware on a PSP GO

What you'll need to downgrade to firmware 5.03:

PSP (all models) equipped with firmware 6.20
Official firmware 6.20 (PSP GO)
Official firmware 6.20 (PSP non-GO)
The Half Byte Loader
The demo for Patapon 2
The modified backup of that demo
The NF-B 6.20
The application Psar New Dumper with firmware 5.00 eboot
The firmware 5.03

If you want to downgrade to another firmware:

PSP (all models) equipped with firmware 6.20
Official firmware 6.20 (PSP GO)
Official firmware 6.20 (PSP non-GO)
The Half Byte Loader
The demo for Patapon 2
The modified backup of that demo
The NF-B 6.20
Applying New Psar Dumper eboot with a firmware lower than that to which you want to downgrade (the eboot should be placed at the root of the Memory Stick and must be named EBOOT.PBP)
The firmware that you want to downgrade

Tutorial

* Go to Game> Memory Stick and select New Psar Dumper

[Image: 0901B000F500343437.jpg]

* The main menu of the application appear. Press Square

[Image: 0901B000F500343438.jpg]

* Several lines appear on the screen and show that the decryption has begun. Wait a few minutes

* Once finished, you return automatically to the XMB

* Pass your PSP in "USB mode" with the option "USB Connection"

[Image: 0901B000F500343439.jpg]

* You will notice a new folder named F0 , made its appearance

[Image: 0600AB003600343442.png]

Go to that folder. Then open the folder vsh and finally the file etc. . You'll find a file named v ersion.txt . Copy it (Right Click> Copy)

[Image: 07011300C800343443.png]

* Go back to the root of your Memory Stick

* Go to the folder seplugins (create it if it does not exist) and paste the file version.txt (right click> Paste)

* Quit the "USB mode" on your PSP

* Press [Image: select_0028001400308732.png]

to display the TN VSH Menu

* A line Fake Index.dat , press [Image: droite_0014001400308682.png]

Enabled appears

[Image: 0801B000F500343436.jpg]

* Select Restart VSH to validate changes

* Now that your information is biased , go to Game> Memory Stick to start the update 5.03

[Image: 0901B000F500343434.jpg]

* Once the update is complete, you will need to restart your console. A blue message will appear on the screen, press [Image: rond_0014001400308712.png]

* It'll just enjoy the Custom Firmware 5.03 GEN-C for HEN

Ninja88 · 30/12/2010 07:54 PM

I've heard people bricking their 3ks while trying to downgrade?

*shaqdarcy* · 30/12/2010 08:32 PM

@Ninja88 probably because they're trying to downgrade their psp 3000 lower than 4.20.

OMightyBuggy · 30/12/2010 09:31 PM

OMG! double you tee eff! HOLYchocolate!

hatorihanzo2010 · 30/12/2010 09:56 PM

can you downgrade a 6.35 of or 6.10 for a psp2000?

asurabp · 30/12/2010 10:55 PM

it's working the problem is I can't update because of my battery is below 75% xD

asurabp · 31/12/2010 02:22 AM

YEHEY!!! MY PSP JUST HAVE A SEMI BRICK!!!>....white screen after the start up..damn

TatsuyaXD · 31/12/2010 04:47 AM

Just kinda curious, how do I go from 6.20TN-B > 5.03 ChickHEN > 5.50GEN-D/3?

I'm using Phat By the way.

kkonix · 31/12/2010 07:52 AM

im too scared to try this on psp go.. Emptyone

any news?

Ninja88 · 31/12/2010 08:02 AM

(31/12/2010 07:52 AM)kkonix Wrote: im too scared to try this on psp go.. any news?

Doesn't work on the GO, you might end up with a brick.

Threaded Mode \| Linear Mode (Tutorial) Downgrading Using 6.20 TN-B Hen Tutorial For Downgrading 6.20 To 5.03 Using 6.20 TN-B Hen
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