ChronoSwitch Downgrader v5f

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TGbot
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ChronoSwitch Downgrader v5f

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Automatically translated from French.

Image unavailable (removed by its host) Like any software that touches the Psp's flash 0, there are risks of bricking.
Tgames and the designers of the programs cannot be held responsible in case of a brick (any installation or update must be done with a full battery or on mains power, do not stop the Psp during installation, etc...)
The latest Psps cannot be downgraded below the firmware they shipped with out of the box.
For example if you bought a PSP that was initially on firmware 6.35, you cannot go below that firmware (the real limits are a bit more complex and tied to the motherboard).
But! That was without counting on Davee, the developer who designed the downgrader for 6.35 and 6.31. The ChronoSwitch Downgrader v5 lets you take your Psp from firmware 6.60 down to 6.20 for 9g models.

From 6.60 to 6.35 for 7g Psps.

From 6.60 to 6.20 for all other Psps.
Usage:
Copy the "PSP" folder to the root of your memory stick. The downgrader is "signed" and can be launched from an official firmware. You need to copy the official update PSP/GAME/UPDATE/EBOOT.PBP and for the PSPGO it must be placed in internal storage. Run the installation, then just follow the on-screen instructions.
Image unavailable (removed by its host) Download ChronoSwitch Downgrader v5f
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Download Official Firmware 6.20 Psp GO
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Download Official Firmware 6.20 Psp non Go
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Warning, if you have a Psp 3000 (TA-95 9g generation motherboard) and if you want to go back up to a higher firmware you will probably get the IDXFFFFFFFF error which prevents you from upgrading.
If that's the case, there's a solution, by clicking on this link


Source
Last edited by kalidor on Wed 1 Feb 2012 13:31, edited 3 times in total.
Reason: Maj a jour du topic avec un lien vers le TA-95 Upgrader
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Re: ChronoSwitch Downgrader v5f

Post by Yoann-95 »

Automatically translated from French.

Possibility of Downgrading down to FW 5.03 or 5.50 for example?!

Thanks for the news
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Re: ChronoSwitch Downgrader v5f

Post by jeanluc60 »

Automatically translated from French.

hi so I have a psp slim 3004 9G, TA-095v1 motherboard, initial firmware 6.30
can I use chronoswitch without worry to put it in 6.20????
and what's the advantage of moving to 6.20 better hack???
thanks
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Re: ChronoSwitch Downgrader v5f

Post by TGbot »

Automatically translated from French.

Hi, you can normally downgrade to 6.20 with your Psp.

This downgrader is mainly meant for the 9g.

This downgrader will add 4G modules and thus make your psp pass for a 4G.

6.20 has permanent CFW (for the 1g, 2g, 3g, 4g, 5g models).

Which 6.39 only offers for 1g and 2g models.

After that it's up to you, this downgrader is safe, there was only one brick during the test period and since then the bug has been fixed.
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Re: ChronoSwitch Downgrader v5f

Post by jeanluc60 »

Automatically translated from French.

thanks a lot for all these details, everything worked wonderfully
thanks again
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Re: ChronoSwitch Downgrader v5f

Post by TGbot »

Automatically translated from French.

Updated the topic with a link to the TA-95 Upgrader

:bravo:

Everything for PSP