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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.

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Q: How can you downgrade a PSP at official Firmware 3.73?
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Just upgraded psp to firmware 6.3 How do you downgrade it back to firmware 6.2?

I'm sorry, but you can not downgrade it back to firmware 6.2 Any firmware after around version 5.5 cannot be downgraded i think. It also depends whether you have a psp 2000 or psp 3000 I have a psp 3000 and it was too late for me to downgrade


How do you put custom firmware on a official 3.93 psp?

you cant, you need 3.03 or below to downgrade without Pandora stuff.


Can you install custom firmware on a psp running on 4.05 official firmware without using a Pandoras battery?

definitely no the best u can downgrade without a Pandora battery is 3.03.... what you can do is use the Pandora battery to downgrade and the results will be great I've done it on my psp and when i downgraded my psp i got to download as many games that can fit into my psp(full games of course) so downgrade your psp using a Pandora battery:)


Do you have to downgrade psp firmware to play games from memory card?

no


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 hack a 5.50 PSP 3000?

No There is no way to downgrade a PSP 3000 to 5.03(The only firmware available for using Custom Firmware). Probably in the future.


How can you downgrade your PSP firmware version 6.00 into 1.00?

You Can Do It Using Pandora Battery.


Can you just install a lower firmware on your psp using a umd?

No you cannot use a umd be to downgrade psp software


What is a Pandora battery do for a psp?

There's a chance it will break it, it allows you to downgrade your firmware so you can put on custom firmware, this is ILLEGAL. Also, if you do it wrong it would destroy your psp


Can you get custom firmware if your psp is official firmware is 5.51 without Pandoras battery or any other device in other words how can i get it?

No, you can't. And even with a Pandora Battery, you cannot downgrade the 3000 or the late 2000 model.


Can you downgrade psp firmware 6.37 to 6.35 cfw?

NO NOT IF YOU HAVE A NEWER PSP 2000 OR 3000 AND GO but older psp 2000 and all 1000 can downgrade with Pandora battery then hack it and then download 6.35 cfw and install


Do you need to downgrade psp firmware from 5.00 m33-4 to 1.50 in order to play the downloaded games?

You need your PSP to be upgraded to the latest firmware, in order to access the PSN and download games.