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"Downgrade?"

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Mon 10/10/05 at 08:41
Moderator
"possibly impossible"
Posts: 24,985
It's simple. It's effective but it's possibly a bit dodgy...

Downgrading your PSP to firmware 1.5 is done for one of several reasons:
1.You want to play emulators and homebrew (free and legal) games.
2.You want to play pirate games (and I don't mean the Jolly Roger type)

Yes, you can do both and games are pretty easy to come by, but my interest was in the first section, especially playing the Megadrive games i still have gathering dust, but on a portable system.

Downgrading took 5 minutes with no problems. Once this was done it only took another few minutes to install the emulators and get them running.

The Snes emulator was a bit slow, disappointing actually, but the Megadrive was great.

However, I soon got bored and now my PSP is back to 'normal' at firmware 2.0. It was a good experiment though.

Sony have, of course, fought back now with firmware 2.01 which takes away the loophole used to downgrade. There will be ways around this, but if you do want to try it, don't upgrade for now...
Sat 15/10/05 at 21:11
Moderator
"possibly impossible"
Posts: 24,985
gr13ve wrote:
> I wanna try out the emulators. How do you go about downgrading? Will
> they work on version 1.52 or is it specifically version 1.5?

The emulators will only work on 1.0 and 1.5 - to downgrade you'll need to find the files and follow some decent instructions, but be warned, there's the infamous virus out there that has the same name as one of the files you will need.

I recommend [URL]http://www.hackaday.com/entry/1234000687060851[/URL]

and yes, you can trust the links on that site to the files you will need. I've tested them and they work.

Again, don't forget that if you do it wrong you could end up with an expensive useless piece of plastic instead of a PSP...
Sat 15/10/05 at 21:19
Regular
"es argh"
Posts: 4,729
pb wrote:
> gr13ve wrote:
> I wanna try out the emulators. How do you go about downgrading? Will
> they work on version 1.52 or is it specifically version 1.5?
>
> The emulators will only work on 1.0 and 1.5 - to downgrade you'll
> need to find the files and follow some decent instructions, but be
> warned, there's the infamous virus out there that has the same name
> as one of the files you will need.
>
> I recommend
> [URL]http://www.hackaday.com/entry/1234000687060851[/URL]
>
> and yes, you can trust the links on that site to the files you will
> need. I've tested them and they work.
>
> Again, don't forget that if you do it wrong you could end up with an
> expensive useless piece of plastic instead of a PSP...

Oh God, the amount of times I screamed "I've bricked it" when doing using the proper downgrader...

T'was scary, but worked, yay.

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