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#1 16/03/08 6:36pm

yotonah
Moderator
From: nottingham
Registered: 12/02/08
Posts: 410

psp slim 3.90 downgrade?

well I'm new here and I'm looking at: http://www.pspmod.com/forums/psp-hardwa … ethod.html and I'm wondering

1) if this will work on my psp slim 3.90, and

2) could i use that premade pandora's battery thing with this, because I'm afraid of opening my battery. also where can i get them. I'm in the UK.

is there anything else I need to know before I downgrade? anything?

thanks.

Last edited by yotonah (16/03/08 6:37pm)

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#2 16/03/08 8:26pm

Doublehawk
Moderator
From: Canada, eh?
Registered: 18/07/07
Posts: 250
Website

Re: psp slim 3.90 downgrade?

First, yes, Pandora will work on any type of psp,no matter the firmware version.

Secondly,I wouldnt recommend hardmodding the battery..I broke a perfectly good 50 dollar one by damaging the cell pack,so I would definately buy a pre-made one.As for where you can get it, http://www.divineo.co.uk/cgi-bin/div-uk/psp-tools should be good.As for anything else you should know, you need to use a magic memory stick with the battery, otherwise it will not work. Normally you'd need a homebrew-capable psp to make it, but enough Googling should get you the answer wink
EDIT: I dont know how reliable this one is, but it seems too good to be true.Im thinking of getting one myself: http://www.divineo.co.uk/cgi-bin/div-uk/psp-smt

Last edited by Doublehawk (16/03/08 8:39pm)


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#3 17/03/08 6:04am

yotonah
Moderator
From: nottingham
Registered: 12/02/08
Posts: 410

Re: psp slim 3.90 downgrade?

ok. I think I will get the datel battery. thanks. but what about the magic memory stick? is there any way of doing it on a mac? or if there isn't, whats the best way in general? the guide i posted previously does have a method, but it seems confusing...

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#4 17/03/08 1:14pm

rollinroll
Moderator
Registered: 23/10/06
Posts: 1890

Re: psp slim 3.90 downgrade?

No, you can't do it on a mac you'll have to use windows xp... vista won't work.

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#5 17/03/08 5:18pm

yotonah
Moderator
From: nottingham
Registered: 12/02/08
Posts: 410

Re: psp slim 3.90 downgrade?

sigh. man i hafta find an xp now... oh wel, thanks for everything!

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#6 18/03/08 2:30pm

JaXeRiR
Elite Moderator
From: Teh Interwebz
Registered: 25/03/07
Posts: 1925
Website

Re: psp slim 3.90 downgrade?

Nope, you can also use a Mac to do it! Just use this guide: http://forums.qj.net/f-psp-pandora-disc … 24530.html

With that guide, you do everything on a PSP... But it has to be downgraded...

Or you could try to find someone with XP.


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#7 19/03/08 10:17am

yotonah
Moderator
From: nottingham
Registered: 12/02/08
Posts: 410

Re: psp slim 3.90 downgrade?

so wait... can you explain this a little more? what do i need to do BEFORE using jaxerir's thing? i will still need the datel? and which part of the guide should i be looking at?please help!

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#8 19/03/08 2:59pm

yotonah
Moderator
From: nottingham
Registered: 12/02/08
Posts: 410

Re: psp slim 3.90 downgrade?

isn't that guide for making the battery? because I'm just gonna get the datel tool battery. the problem is getting a magic memory stick with my mac...

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#9 20/03/08 2:29am

Doublehawk
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From: Canada, eh?
Registered: 18/07/07
Posts: 250
Website

Re: psp slim 3.90 downgrade?

Just use one of your friends computers.Or if they all have Mac's, consider yourself screwed :p


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#10 20/03/08 2:11pm

JaXeRiR
Elite Moderator
From: Teh Interwebz
Registered: 25/03/07
Posts: 1925
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Re: psp slim 3.90 downgrade?

Consider yourself screwed or get VMWare for your Mac.


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#11 20/03/08 3:29pm

yotonah
Moderator
From: nottingham
Registered: 12/02/08
Posts: 410

Re: psp slim 3.90 downgrade?

lol i couldnt get the vwware trial to work... maybe ill try again...

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#12 21/03/08 12:39am

FoShizzle
Regular Member
Registered: 23/09/07
Posts: 34

Re: psp slim 3.90 downgrade?

dude I don't think this is going to work on a PSP slim. You need to have a PSP fat with custom firmware to get it on a slim.

But that guide works on a PSP fat; I used it to get custom firmware on my fat


3.71 M33-3

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#13 21/03/08 6:26am

yotonah
Moderator
From: nottingham
Registered: 12/02/08
Posts: 410

Re: psp slim 3.90 downgrade?

I'm pretty sure it does, and I've found a better guide anyways. my only problem is that i dont have access to an xp.

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#14 21/03/08 7:20am

JaXeRiR
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From: Teh Interwebz
Registered: 25/03/07
Posts: 1925
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Re: psp slim 3.90 downgrade?

FoShizzle wrote:

dude I don't think this is going to work on a PSP slim. You need to have a PSP fat with custom firmware to get it on a slim.

But that guide works on a PSP fat; I used it to get custom firmware on my fat

You can use a Slim to create a Pandora's Battery from both the Fat battery and the Slim battery.

And you can also use Hellcat's tool to create the Magic Memory Stick on a Slim and a Fat.


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#15 21/03/08 3:02pm

yotonah
Moderator
From: nottingham
Registered: 12/02/08
Posts: 410

Re: psp slim 3.90 downgrade?

what's the reason that it wont work on macs? is there a program that mac doesnt have? or is it a certain filetype?

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#16 21/03/08 3:11pm

rollinroll
Moderator
Registered: 23/10/06
Posts: 1890

Re: psp slim 3.90 downgrade?

It's a windows batch file that it uses to write some sector stuff (i don't know what i'm talking about) onto the memorystick so it will become bootable...

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#17 21/03/08 3:47pm

JaXeRiR
Elite Moderator
From: Teh Interwebz
Registered: 25/03/07
Posts: 1925
Website

Re: psp slim 3.90 downgrade?

Okay, here's what yotonah:

I found this.
It is used to change the MS boot partition to 489 and on. On the main page it says that it works with Macs also, but you need some knowledge to do what the file tells you to do.

If you get the MS boot partition to 489, get this.
Take the files and put the on your memory stick. After that you only need the Pandora's Battery and you will be good to go!


[url=http://profile.mygamercard.net/JaX3RiR][img]http://card.mygamercard.net/nxe/JaX3RiR.png[/img][/url]

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#18 22/03/08 6:29am

yotonah
Moderator
From: nottingham
Registered: 12/02/08
Posts: 410

Re: psp slim 3.90 downgrade?

lol. thanks alot but like it says "It's assumed you have some clue what you're doing." i dont.

I'm just gonna find an xp i guess. somebody really should make a version for mac...

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#19 22/03/08 9:13am

rollinroll
Moderator
Registered: 23/10/06
Posts: 1890

Re: psp slim 3.90 downgrade?

Cool, you can do it with linux too...
Oh, and the program for XP is named TOTALNewbieasyInstaller.

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#20 22/03/08 12:53pm

JaXeRiR
Elite Moderator
From: Teh Interwebz
Registered: 25/03/07
Posts: 1925
Website

Re: psp slim 3.90 downgrade?

I used the TOTALNewbiEasyInstaller first, when trying to downgrade my Slim, but it didn't work at all!

Then I used Moose_Islands guide, and guess what, part of the guide was already updated to TimeMachine and DCv4, and part of the guide still used DCv3, so I was pretty confused... But I got it sorted out with help from CHW42 from QJ Forums!


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#21 22/03/08 3:09pm

yotonah
Moderator
From: nottingham
Registered: 12/02/08
Posts: 410

Re: psp slim 3.90 downgrade?

ok thanks rollinroll. I'll try the totalnewbie one, if it doesnt work ill just use my friend google smile

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#22 22/03/08 5:52pm

rollinroll
Moderator
Registered: 23/10/06
Posts: 1890

Re: psp slim 3.90 downgrade?

ok smile

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#23 02/04/08 1:50am

PRS-man
Member
Registered: 02/04/08
Posts: 1

Re: psp slim 3.90 downgrade?

FoShizzle wrote:

dude I don't think this is going to work on a PSP slim. You need to have a PSP fat with custom firmware to get it on a slim.

But that guide works on a PSP fat; I used it to get custom firmware on my fat

I was at 3.90 on my slim, and now im at 3.71 M33

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