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Downgrade Your Psp To Version 1.5 Using Your Psp Battery


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#1 leony

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Posted 22 October 2007 - 07:07 AM

Lots of users downgrade their PSP to version 1.5 because you can upgrade your PSP to any version from 1.5. And if you upgrade your PSP to version 3.51, you can play any downloaded games and run any applications. Do you know that your can downgrade your PSP system to version 1.5 all by yourself by turning your PSP battery into a pandora’s battery? All you need are an original PSP battery (with more than 50% charge) and a Memory Stick Pro Duo with 1GB memory or above.

I. Get ready (Reformat PSP memory stick)

Before you get started with the downgrade, you need to reformat your PSP memory stick. If you don’t know how to reformat it, you can refer to the steps below:

1.Press the HOME button on the bottom left of your PSP.

2.Use the arrow keys to move to the Settings area, then move the up and down keys to go to System Settings.

3.Push the "X" button (or the “O” button, depending on which button is the “Enter” button of your PSP) and scroll to find the “Format Memory Stick” option. Push the "X" button again to select this option.

4.Your PSP will now confirm that you want to reformat the memory stick, choose Yes and your PSP will be physically formatted in a few seconds.

To do the downgrade, you also need to download an application pack. Click here to get the application pack(Find the Guides label on the right side,which named Download for PSP downgrade application). After the downloading is finished, what you get will be a compressed application pack named “pandora”, decompress it to the root directory of a hard disc, say Disc H. In this “pandora” folder, you can see four folders including mspformat, msinst, battery and installer, and a file named UPDATE.PBP.

Now you are ALL ready to turn your PSP battery to a Pandora’s battery and use it to downgrade any PSP!

II.Turn your PSP battery into a padora’s battery

Step 1: Logically reformat your PSP

Connect your PSP to your computer. And your PSP will be recognized as a new hard disc, say K. Then click Start -] Run, input cmd in the popped up dialog box, and click OK to enter DOS system. Use the below commands one by one to run the mspformat file:

Input “H:”, and press the “Enter” Key on your keyboard. (Here H is the disc where the “panndora” folder is located)

Input “cd pandora” and press the “Enter” Key on your keyboard.

Input “cd mspformat” and press the “Enter” Key on your keyboard.

Then input “mspformat.exe K” and press the “Enter” Key on your keyboard.
(Here K is the name of the disc that your PSP is recognized on your computer.)
After these commands, your PSP will be logically reformatted in a minute.

IPB Image

Step 2: Open the recognized PSP hard disc on your computer, create a new folder and name it “psp”, open this “psp” folder, create a new folder and name it “game”. Copy and paste the “installer” folder and the “battery” folder into the “game” folder. Then copy and paste the UPDATE.PBP file to the root directory of the PSP hard disc on your computer.

Step 3: On your PSP, switch to the Game option, press X or O (depending on which is the “Enter” key of your PSP). Go to “installer” and press X or O to run it.

IPB Image

In a few seconds, a file named “msipl.bin” will be created on the root directory of your PSP memory disc. And now, you should take out your memory disc and then put it back in, which seems to be useless but is a very necessary step.

Step 4: Connect to your PSP back to your computer. Then enter DOS system as mentioned in Step 1. Use the below commands one by one to run the mspformat file:

Input “H:”, and press the “Enter” Key on your keyboard.

Input “cd pandora” and press the “Enter” Key on your keyboard.

Input “cd minst” and press the “Enter” Key on your keyboard.

Then input “msinst.exe K K:\msipl.bin ” and press the “Enter” Key on your keyboard. (Here K is the name of the disc that your PSP is recognized on your computer.)

When you see a popped up message asking if you are sure, click “Yes”.

Step 5: Go back to your PSP, switch to the Game option, press X or O (depending on which is the “Enter” key of your PSP). Go to “battery” and press X or O to run it, press X or O to OK every popped up message to finish running the battery application.

IPB Image

Now, your pandora’s battery has been created!

III. Use the created pandora’s battery to downgrade your PSP

After you turn your batter to a PSP downgrade battery (pandora’s battery), you can use it to downgrade your PSP by following the instructions below:

1. Take out your PSP Memory Stick and battery, then put back in your PSP Memory Stick first, and put your battery back in.

2. Turn your PSP power on, when you see three options; select the Downgrade option, your PSP will be downgraded in a very short time and it will be automatically shut down afterwards.

3. Turn your PSP on again, and you will see a blue screen. But no worries, you can just press the O key, and your PSP system is already version 1.5!

Note: The above process will turn your PSP battery to a pandora’s battery that can be used for PSP downgrade. But the pandora’s battery cannot be used to play PSP games, videos or music. And the process is not reversible. You will need to get an additional PSP battery for regular uses. However, you can use your pandora’s battery to downgrade any PSP to version 1.5 or even repair for .

Now, you can get a new battery and use your downgraded PSP to upgrade to 3.51 or high version for play downloaded games, view pictures, read digital books, and run various free applications unblocked!This is another part about refresh PSP system and I'll expatiate later.I travel very frequently for my work, and another big use of my PSP is to watch movies on big and wide screen of my PSP. I have lots of DVD movies, so I always put a few movies on my PSP if I am going to travel. I have tried a few tools and the one I am using is named iSkysoft DVD Ripper.The conversion quality is really good, and besides PSP, I can also use this application to put movies on iPod, iPhone, Apple TV and almost any players. I have been using it for a few months, and so far, so good! If you are running a Mac OS, I have noticed they also have a version for Mac users. But I have never tried it before since I am only running Windows XP on my computer.


#2 o The Drizzle o

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Posted 23 October 2007 - 08:56 AM

to do this...you have to make the memory stick and battery on a psp that is already modded. which means it is already a 1.5 or is already running CFW
and with the battery...you can save the battery firmware so you can restore it to a regular battery.


#3 buya

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Posted 23 October 2007 - 09:23 AM

blink.gif
can be use to play games with the downgrade psp?

#4 InsomniacNC

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Posted 29 October 2007 - 04:38 AM

Sorry to be such a newb , I have been out of the PSP stuff for a little while but when I got my God of War demo a week or so ago it updated to the newest firmware , will this still work with that or will it brick?

Thanks.

QUOTE(o The Drizzle o @ Oct 23 2007, 03:32 AM) View Post

to do this...you have to make the memory stick and battery on a psp that is already modded. which means it is already a 1.5 or is already running CFW
and with the battery...you can save the battery firmware so you can restore it to a regular battery.


So if I read that right that means I must find someone else with a modded PSP?

Also : So I can downgrade with this then download a firmware that allows homebrew/downloaded games?

Edited by InsomniacNC, 29 October 2007 - 04:44 AM.


#5 commandersafi

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Posted 07 November 2007 - 05:19 AM

QUOTE(InsomniacNC @ Oct 28 2007, 10:14 PM) View Post


So if I read that right that means I must find someone else with a modded PSP?

Also : So I can downgrade with this then download a firmware that allows homebrew/downloaded games?

Yes you have to use a homebrew enabled psp to make the pandora's battery

And once you use this you will be at FW version 1.5 which alows homebrew. And since you want to play the newest games you can update to a custom firmware, ie. 3.71 M33

#6 poopysock5001

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Posted 19 November 2007 - 03:44 PM

You do not need a modded psp to perform the pandora's battery trick. Check out the most recent versions of the mod. This could be a recent developement. I just started modding the psp a few weeks ago.

#7 Havok

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Posted 13 December 2007 - 06:28 AM

QUOTE(poopysock5001 @ Nov 19 2007, 10:20 AM) View Post

You do not need a modded psp to perform the pandora's battery trick. Check out the most recent versions of the mod. This could be a recent developement. I just started modding the psp a few weeks ago.


Are you talking about the soldering method?

#8 commandersafi

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Posted 13 December 2007 - 07:46 AM

QUOTE(Havok @ Dec 13 2007, 12:04 AM) View Post

Are you talking about the soldering method?

Even if he is, that only takes care of the battery portion of the downgrade. You will still need to put the correct files on the memory stick, and i know of no other way of doing this without using a homebrew psp

#9 L3G10N

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Posted 17 January 2008 - 03:47 AM

damn, I was reading trough the whole thing.
Just got the PSP and was thinking to softmod it like it was possible with the Xbox.

Well, why the hell can't we find a CLEAN and CLEAR way to do the downgrade and way to find the files...

Nothing really clear. One say yes you can do without a homebrew PSP, other say no, other say yes with the soldered battery......

Wow.... Totally lost.

But When I look back in my memories, it was SOOOO simple to find answers for the XBox. First, things was clear, sooo clear. Where to find files where too and how to do it correctly and everything...

Is there a place like this? Is there a REAL how to?

Thank you all for your times!

Dany

#10 commandersafi

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Posted 17 January 2008 - 05:58 AM

I think i might be wrong....There is a possibility that you can create the memory stick without a homebrew psp.
Just try searching for it.

#11 hardwork

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Posted 17 January 2008 - 10:01 PM

Yes any psp slim or phat can be modded with pandoras battery without another psp!
And for anyone not wanting to try it or not got the spare battery and memory stick i can sell them one just pm me,or if you have your own battery and card i would be willing to mod it and send it back to you for £5.00 and the postage costs!Just needs to be a min 512m card and real psp battery no fakes as these seem to cause errors pm me for any info guys




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