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Brand new slim downgrade
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Member
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10. February 2008 @ 05:26 _ Link to this message    Send private message to this user   
Hi all,

Am going to buy a new slim psp today, and before I do I just wanted to confirm that you can install custom firmware on these.

I know i need to use the pandora method and i have another psp running custom firmware to use for this.

The question really is are there any problems with downgrading these slim psp's? and can any firmware be downgraded?

Thanks
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Senior Member
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10. February 2008 @ 05:56 _ Link to this message    Send private message to this user   
You cannot downgrade a PSP slim to 1.50 >_<

But you can directly install a custom firmware on it using the universal unbricker hack and well, there aren't any problems if you do it correctly ^_^
*3.60m33 is the lowest custom firmware you can go on a PSP slim* ^_^

My (+[__]%) life - HERE :)
*Why do I take it all ??? Why do I beg for more ??? I never thought that this is how I Hit The Floor* Bullet For my Valentine darn rulez !!!! \m/ ^_^ \m/
Guide on how to use popsloader : HERE / Working and non-working pandora batteries : HERE

This message has been edited since posting. Last time this message was edited on 10. February 2008 @ 05:59

Member
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10. February 2008 @ 08:40 _ Link to this message    Send private message to this user   
Thanks for the reply,

this is where i am confused. Do i use the universal unbricker, or the pandora method?

I understand you cant downgrade to 1.5, but do the custom firmwares (3.6+) have exactly the same content as the older psp's custom firmwares?

ta
bu22ard
Senior Member
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10. February 2008 @ 08:54 _ Link to this message    Send private message to this user   
the universal unbricker is effectively a re-coded pandora to work on slims and fats - this is what you need

each firmware release from sony (and hence cfw) has the features of previous fw but usually with more added

3.90m33 is the latest cfw

1.52>2.0>1.5>3.40 OE-A>3.71 M33-4
3.60>4.01 M33-2
Member
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10. February 2008 @ 08:59 _ Link to this message    Send private message to this user   
Superb thanks,

I am struggling to find the correct guide. There are so many! any help?

Does the fat psp fit into a slim? i ask because i have 2 spares for the old style psp.
Member
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10. February 2008 @ 09:07 _ Link to this message    Send private message to this user   
is it this one?

http://forums.afterdawn.com/thread_view.cfm/610313

and will this work with any official sony firmware?
bu22ard
Senior Member
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10. February 2008 @ 09:09 _ Link to this message    Send private message to this user   
Originally posted by dansage:
Superb thanks,

I am struggling to find the correct guide. There are so many! any help?

Does the fat psp fit into a slim? i ask because i have 2 spares for the old style psp.
yes, the fat battery will fit in the slim for the purpose of using Pandora

1.52>2.0>1.5>3.40 OE-A>3.71 M33-4
3.60>4.01 M33-2
Member
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10. February 2008 @ 09:12 _ Link to this message    Send private message to this user   
thanks for that,

if this guide is correct, it will install 3.71 m33-2, to upgrade to the newest (3.90 i think) do i need to install all the others inbetween, or can i just load up 3.90 m33?

thanks again for all your help
bu22ard
Senior Member
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10. February 2008 @ 09:17 _ Link to this message    Send private message to this user   
Originally posted by dansage:
thanks for that,

if this guide is correct, it will install 3.71 m33-2, to upgrade to the newest (3.90 i think) do i need to install all the others inbetween, or can i just load up 3.90 m33?

thanks again for all your help
as long as you are at 3.52 m33-3 or above you should be able to avoid the incremental updates

README from 3.90m33:
____________________________________
3.90 M33
--------

Requeriments:

- Installation requires a PSP with 3.52 M33-3 or higher.

1.52>2.0>1.5>3.40 OE-A>3.71 M33-4
3.60>4.01 M33-2
Member
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10. February 2008 @ 09:20 _ Link to this message    Send private message to this user   
superb, thanks for that.

Am now off to buy a shiney new slim, I will try all this later, (am downloading files now) I will keep you posted.

Just checking, but can someone confirm the link i posted above is the correct guide to use.

thanks
PSPgamen
Member
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10. February 2008 @ 09:57 _ Link to this message    Send private message to this user   
Hmmm... Btter for you is this one

because this will install cfw to your psp with a psp homebrew enabled at the pandora battery part.

Member
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10. February 2008 @ 11:55 _ Link to this message    Send private message to this user   
i thought this guide was for slim psp's already with custom fware installed? mine hasnt. its official sony.
Member
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10. February 2008 @ 13:46 _ Link to this message    Send private message to this user   
Ok, so i have created the mem card and the battery from my other cfw fat psp.

Anybody know what to do now? i have turned the slim psp on with the ac cord in only, then put the card and batt in, but i cannot run them33 3.71 update ver 1.50.

what am i doing wrong?

thanks
Senior Member
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10. February 2008 @ 13:54 _ Link to this message    Send private message to this user   
You must put the "Magic memory stick" and the battery without the AC adapter inserted in the PSP :)

EDIT : First, put the "Magic memory stick" and then put the "Pandora battery" :)

My (+[__]%) life - HERE :)
*Why do I take it all ??? Why do I beg for more ??? I never thought that this is how I Hit The Floor* Bullet For my Valentine darn rulez !!!! \m/ ^_^ \m/
Guide on how to use popsloader : HERE / Working and non-working pandora batteries : HERE

This message has been edited since posting. Last time this message was edited on 10. February 2008 @ 13:57

Member
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10. February 2008 @ 14:05 _ Link to this message    Send private message to this user   
the green light comes on but nothing else happens
Senior Member
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10. February 2008 @ 14:12 _ Link to this message    Send private message to this user   
Well, which means you've made the "Pandora battery" properly but not the "Magic memory stick" >_<

Try using THIS guide to make your magic memory stick :)

My (+[__]%) life - HERE :)
*Why do I take it all ??? Why do I beg for more ??? I never thought that this is how I Hit The Floor* Bullet For my Valentine darn rulez !!!! \m/ ^_^ \m/
Guide on how to use popsloader : HERE / Working and non-working pandora batteries : HERE
Member
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10. February 2008 @ 14:15 _ Link to this message    Send private message to this user   
ill try it. I downloaded the 2 files from the guide (about 90m each) and it took a while to load onto the card. Do i load it onto the card in the slim or fat psp? or does it make no difference?

Thanks
PSPgamen
Member
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10. February 2008 @ 14:22 _ Link to this message    Send private message to this user   
You need to write the necessary files to the Mem Stick wich you want to hack your PSP. Preferable beetween 256 Mb-2 giga bytes. The others ms may not work.

Member
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10. February 2008 @ 14:25 _ Link to this message    Send private message to this user   
ah ok. I only have a 4gb stick. Will this be ok?
PSPgamen
Member
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10. February 2008 @ 14:26 _ Link to this message    Send private message to this user   
Originally posted by dansage:
ill try it. I downloaded the 2 files from the guide (about 90m each) and it took a while to load onto the card. Do i load it onto the card in the slim or fat psp? or does it make no difference?

Thanks
You need to run from your PSP only despertar del cementerio as it is said there.You don't need to copy the files and the folders there.

Senior Member
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10. February 2008 @ 14:28 _ Link to this message    Send private message to this user   
Originally posted by dansage:
ill try it. I downloaded the 2 files from the guide (about 90m each) and it took a while to load onto the card. Do i load it onto the card in the slim or fat psp? or does it make no difference?

Thanks
Which two files ??? o_O
None of the files are even bigger than 25mb >_<

Well you're making the "magic memory stick" on your PSP classic which has custom firmware :)
So, you'll have to put the files in your PSP classic :)

My (+[__]%) life - HERE :)
*Why do I take it all ??? Why do I beg for more ??? I never thought that this is how I Hit The Floor* Bullet For my Valentine darn rulez !!!! \m/ ^_^ \m/
Guide on how to use popsloader : HERE / Working and non-working pandora batteries : HERE
PSPgamen
Member
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10. February 2008 @ 14:29 _ Link to this message    Send private message to this user   
Originally posted by dansage:
ah ok. I only have a 4gb stick. Will this be ok?

You can do it at your own risk, but there are small chances to work. Maybe 10 %.

Try to buy a 256 mb card, it's not too expensive.

Senior Member
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10. February 2008 @ 14:32 _ Link to this message    Send private message to this user   
Originally posted by dansage:
ah ok. I only have a 4gb stick. Will this be ok?

Well, then there are minor chances for it to work >_>
Also, which Brand is it ?? o_O
Is it a memory stick pro duo ??? :)

Try buying a 256mb memory stick pro duo :)

Yo PSPgamen :)

My (+[__]%) life - HERE :)
*Why do I take it all ??? Why do I beg for more ??? I never thought that this is how I Hit The Floor* Bullet For my Valentine darn rulez !!!! \m/ ^_^ \m/
Guide on how to use popsloader : HERE / Working and non-working pandora batteries : HERE
Member
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10. February 2008 @ 14:47 _ Link to this message    Send private message to this user   
hi,

that last link you gave me doesnt work either,

i am using a fake 4gb stick. is this why?

ill buy a genuine 256m if i know it'll work
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Senior Member
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10. February 2008 @ 14:54 _ Link to this message    Send private message to this user   
Well, yeah may be that's the reason >_>

Is your 4GB memory stick a "Memory stick pro duo" ??? o_O
Insert the 4GB memory stick in your PSP and in the "video" option of your PSP, press "Triangle" on your PSP and then choose "Information" :)
Juz see whether "MagicGate is supported" :)

I would recommend you to buy a "Sandisk 256mb memory stick pro duo" :)

My (+[__]%) life - HERE :)
*Why do I take it all ??? Why do I beg for more ??? I never thought that this is how I Hit The Floor* Bullet For my Valentine darn rulez !!!! \m/ ^_^ \m/
Guide on how to use popsloader : HERE / Working and non-working pandora batteries : HERE

This message has been edited since posting. Last time this message was edited on 10. February 2008 @ 14:55

 
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