Question about Sony PlayStation Portable (PSP) Console

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Regarding psp ok firmware being... which 'version' , ie v4.05? and can i downgrade without having to make a pandora battery or memory card? thanks

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  • kohaws Sep 01, 2008

    hi, i have PSP with firware 4.05. can i downgrade without pandora battery or magic stick? please send me a email kohaws@yahoo.com. Thanks

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1.50 i believe...after that they are both required. with 1.5 or earlier you can use the wipeout hack. good luck

Posted on Aug 17, 2008

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Well my psp at first had a version of 3.71(i could play iso games)... then i updated it to 6.00 (i can't play iso games)....now i want to make it 3.71 ....how is that possible?....could you tell me step by...


Hi There!
Honestly, downgrading the firmware is tedious compared to upgrading it. I would suggest you have someone who has the technical knowledge to do this. Failed downgrade could lead to a bricked psp. Which will render it useless. Some can be reflashed and will work back while some cannot.
However, you can purchase a Pandora battery for you PSP. Remember: You CANNOT downgrade your PSP with any firmware higher than 3.50 without a Pandora's Battery.
You may check this link for a self-help guide in making your own Pandora battery. This is for a PSP slim model.
http://forums.maxconsole.net/showthread.php?81424-How-to-create-a-Pandora-Battery-and-Slim-Mem-Stick-WITHOUT-a-Phat-PSP!
Hope that helps!

Feb 03, 2011 | Video Game Consoles

1 Answer

How can i downgrade my psp version 6.30 ofw to 5.50 gen-d3.without using any pandora battery


I am afraid this is not possible, if it is a PSP 1000 or 2000 you would need a pandora battery. However if it is a PSP 3000 upwards there is no way to downgrade the firmware at all. Anything above firmware 5.03 is not possible to downgrade on a PSP 3000.

Hope this helps

Sep 12, 2010 | Sony PlayStation Portable (PSP) Console

1 Answer

I upgrade my psp 5.33 to 6.31..i want to downgrade the version_


As far as we know right now, there is no way to downgrade a PSP 3000.

The older PSP 1000 and PSP 2000 systems could accept a special battery called a Pandora's battery and a special memory card with the PSP firmware. This battery would force the PSP to turn on and boot from the memory card. The special software on the memory card would load new system software of your choice (that exists on the memory card) onto your PSP. This includes older firmware or custom firmware.

As far as I know, there is no pandora's battery for the PSP-3000.

Sep 11, 2010 | Sony PSP-3000 Black Console

1 Answer

Downgrading my psp 5.51 to 3.70 m33


Sorry Ryan, you will need a service or pandora battery to reload custom firmware.

This will let you back up games you already own and run them from the memory stick.

You can create a pandora battery and the 'magic' memory stick from any psp already running custom firmware. You can also buy them online, and if you look in the local classified ads website where you live, you can probably find people offering that downgrading service.

I cannot run through the steps here to create your own, but tutorials are all over the net and sites like youtube.

Oct 04, 2009 | Sony PlayStation Portable (PSP) Console

3 Answers

Getting custom firmware when i have v5.51


Yes it is possible, depending on what model your PSP is. There is a special Battery that will allow older PSPs to go into a type of "service" mode, allowing you to upgrade or downgrade at your will. There is much more information on this here:
http://pspupdates.qj.net/Noobz-C-D-release-Pandora-s-Battery-unbricker-for-all-PSPs/pg/49/aid/100579

It is referred to as an "Unbricker" which means to fix a broken PSP that was flashed incorrectly, or attempting to upgrade to a custom firmware and failing during the process. When that happens the PSP becomes "bricked", and before this Pandora's battery was created the PSP would have been doomed as a paperweight.

So YES! It is possible, but it is difficult if not impossible to do without knowing someone that has experience in modding PSPs and the required hardware and software, aka the Pandora's Battery. You can purchase one of these batteries from online retailers that I will not list as I'm not here to promote specific sites!

Aug 10, 2009 | Sony PlayStation Portable (PSP) Slim...

2 Answers

How to Downgrade PSP Firmware 5.51 to custom firmware 5.00 m33


HOW TO DOWNGRADE PSP Firmware 5.51 to custom WIYHOUT PANDORA BATTERY

Jul 10, 2009 | Sony PlayStation Portable (PSP) Console

3 Answers

How to downgrade 5.03 version to 3.71 m33-3 w/out using a pandora`s battery???


how to downgrade 5.03 version to 3.71 m33-3 w/out using a pandora`s battery???

Feb 20, 2009 | Sony PlayStation Portable (PSP) Console

4 Answers

Downgrade PSP


YOU NEED A PANDORA BATTERY AND A MAGIC MEMORY STICK

Nov 10, 2008 | Sony PlayStation Portable (PSP) Console

1 Answer

Psp 3.95


To play ISO/CSO games on your PSP, you MUST have custom firmware installed. To install custom firmware, you need to downgrade your PSP to version 1.50/1.52. To downgrade it, you need a Pandora's Battery and a magic memory stick. You can buy the on eBay (about $10 for Pandoras battery). you can make a magic memory stick yourself easily (check videos on youtube). To make a Pandoras battery, you must be VERY carefyul because when doing this, your battery might explode because you will be soldering.(Lithium battery+Heat=Explosion). so thats what you need. If your making it urself, check the internet for tutorials(theres a lot of them)

Jun 13, 2008 | Sony PlayStation Portable (PSP) Console

7 Answers

How to downgrade my psp ???


Dangers of downgrading
  1. Know that downgrading your PSP voids the warranty and can be quite dangerous to your hardware.
  2. Downgrading often requires upgrading: You can only use a downgrader that goes from one firmware version to another, so most users will need to update their PSP to at least version 2.0 (USA) in order to then downgrade it to 1.5 or 1.0.
Find your firmware
  1. Determine which version of the PSP operating system you are currently running:
    1. Navigate to the main menu on your PSP.
    2. Select Settings -> System Settings -> System Information.
    3. Look for System Software Version X.XX. Where X.XX is the version number of your PSP firmware.
    4. Now you will know which downloader and/or updater you will need.
      • Note that any version greater than 1.51 will prevent you from running Homebrew and other independent applications.
Use the tools
  1. Be aware that your firmware updater and associated tools are located on the Memory card.
  2. Know that there are many tools to downgrade your PSP, depending on the version number of your firmware:
    1. Version 2.0 and 2.01 can be downgraded with Easy Downgrader.
    2. Versions 3.0 to 3.03 can be downgraded [here]
    3. Search Google for other downgraders.
The .tiff image hack
  1. Be aware that the hack below is dangerous. The developers who first found this hack bricked-up (destroyed) 6 PSP units before they got it working. A single miss-step can brick your machine and make it the most expensive coaster available. Please use at your own risk. These instructions will, however, technically allow you to downgrade any PSP that can display .tiff images.
  2. Know that this process is for downgrading from 2.0 to a lower version. If you have a higher version you will need different software, and if you are running 1.51 or 1.52 you will need to upgrade to 2.0 before you can downgrade to 1.5
  3. Download the original 1.50 EBOOT updater, version 1.5
  4. Download MPHDowngrader. Be absolutely sure it is version 1.0.0.
  5. Connect your PSP to your PC via USB cable.
  6. Go to the directory /PSP/GAME/ on your memory stick.
  7. Create a sub-directory named UPDATE which must be in uppercase.
  8. Obtain the EBOOT.PBP file from the updater.
  9. Copy the downloaded PBP file into the UPDATE directory.
  10. Download the MPHDowngrader and unzip the program.
    • Inside the package you will find a Photo folder with an image inside named overflow.tif.
  11. Drop overflow.tif into your /PSP/PHOTO/ folder.
  12. Place both h.bin and index.dat in the root of your Memory Stick.
  13. Disconnect your PSP from your computer and plug in the AC adapter.
  14. Navigate to Photo and then Memory Stick via the PSP's menu system and start scrolling down through your photos until you reach the overflow.tif picture.
  15. Everything will freeze, the screen will turn black and fuzzy white text will appear.
    • If your PSP freezes without going to this black text screen, then hold the power button for about 10 seconds until the PSP shuts down, then hit the power button again to start it back up. Repeat this step until you get that black screen.
  16. Hold the power button for about 10 seconds until the PSP powers off.
  17. Hit the power button again. Your PSP will start up.
    • Navigate to your System Information, and you'll discover that your PSP thinks it is running version firmware 1.0. It isn't, gthough, and you cannot yet run Homebrew.
  18. Navigate to Game -> Memory Stick, hit the X button, and navigate to the 1.5 updater.
    • Make sure you have your PSP plugged in or the upgrade won't work.
  19. Click the X button and update like you normally would. At the end of the upgrade you will receive an error saying that the upgrade failed and to contact Sony. Ignore this and again force your PSP to power off and reboot.
    • After the PSP reboots, you will receive an error screen in multiple languages. Find your language and read the corresponding line. It notes that your preferences are lost and that you need only hit the O button to restore some default settings.
  20. Hit the O button.
  21. The PSP will start back up and you will go through the initial setup like the day when you first bought your PSP. Do so and then go to the system info pane again, where you will see that you are running version 1.5.
  22. Run homebrew at will.

[edit] Tips
  • For a new firmware version to be downgradable crackers first have to decrypt any new security or authentication measures, and then create a downloader. This can take some time and is a process of constant change as new versions are released. If you attempting to downgrade a fully updated or brand new PSP you will need to work with the latest version of the firmware, current version 3.5 in the USA.
  • Downgrade Your Psp to Version 1.5 just Using Your Psp Battery

[edit] Warnings
  • There are many web sites out there that will sell you videos or instructions, but beware, the information is available and the tools needed are free or shareware.
  • Do this at your own risk. This technique was created by modders and might not be 100 percent reliable. It may also void the warranty for your PSP.
  • Anti-virus scanner and software will often identify PBP as potentially malicious. You may need to temporarily disable these security measures to obtain the updates.

[edit] Things You'll Need
  • PSP
  • USB cable
  • Microsoft Windows ™ computer with usb support
  • Internet connection

Mar 26, 2008 | Sony PlayStation Portable (PSP) Console

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