UPDATE: Yes I have updated again. I hope everyone likes the changes and new editions that I have made to the guide.

You must have a 1.50 FAT PSP or a FAT/SLIM PSP with custom firmware to use this guide. If you do not have the requirement as stated go to this guide HERE This covers how to make the Universal Unbricker V3 + Pandora Battery on an Official Firmware PSP.

This guide will guide you through the creation of a Magic Memory Stick + Pandora Battery that will install or unbrick a PSP to 3.71 M33-2 custom firmware.

In edition I have provided the following UPDATES/ADD ON files.

3.71 M33-4
1.50 ADD ON-2 for 3.71 M33

3.80 M33
3.80 M33-5
1.50 ADD ON for 3.80 M33

3.90 M33-3
1.50 ADD ON for 3.90 M33

3.95 GEN

4.01 M33
4.01 M33-2
1.50 ADD ON for 4.01 M33

===================================================================

Lets get started with the Magic Memory Stick.

Download the files linked below...

Due to the size limitations on Media Fire I have split the download file into 3 parts. You will need to download Part1, Part2 and Part3 then place all Parts in the same directory on the PC and choose Univer_File.part1 to extract. Part2 and Part3 will automatically extract with Part1 creating the complete folder.

Download Link: Part1 Part2 Part3

Mirror:
Send Space Link (1 full file): HERE

Sendspace is a free file hosting service. If you get an error when trying to download keep trying. It just means the free service bandwidth is at max and no more users can download at that time. Just keep trying to download it and it should start the download once a slot comes open).

Extract the file and go to the Easy Installer folder.

Start the Easy installer by clicking on the START Icon.




Select Language 1-3 Then press Enter.




Press any key to continue.

Type in your PSP Drive letter. Then press Enter.




Select "1. Continue To Pandora installer" Then press ENTER




Disable the USB and Format your Memory Stick via System Settings. Then enable the USB again. Then press any key to continue.

Press ENTER when it ask to insert new disc (you should already have the Memory Stick in since you just formated it).

It will scan the Memory Stick.




Type Y then ENTER when it ask if your sure you want to format.




Take out the Memory Stick and then disable the USB.

Then insert the Memory Stick and enable the USB again.

Then Press any key to continue

Select Option 4 "Universal unbricker for FAT or SLIM (This installs custom firmware 3.71 M33-2)"

Type 4 and Press ENTER




The files will now be installed to the Memory Stick.

After it has finished writing the files you will get an image similar to below. Just type Y and ENTER to finish the instillation of files to the Magic memory Stick.




Press any key to close the DOS box.

You are now done with the Easy Installer.

Now go to the ADD_ON folder that was included with the download above.

Drag the PSP folder and 1.50.PBP to the ROOT of the Memory Stick.




When it ask to over Write choose YES TO ALL.




You can now go to /PSP/GAME folder and delete the despertar_cementerio and pan3xx folder because they are not needed.

You are now finished with the Magic Memory Stick part of the guide.

===================================================================

Now it is time to create the Pandora Battery.

PANDORA GUIDE: THOSE THAT HAVE 1.50 FIRMWARE PSP

Go to Game Menu Memory Stick and run the Pandora Battery Creator.

Press triangle to backup the battery eeprom. The PSP will then reboot to XMB.

Run the Pandora Battery Creator again via Game Menu Memory Stick and press X to convert the Battery to service mode. The PSP will reboot to XMB.

Turn off the PSP and take out the Battery.

Now use the Magic Memory Stick + Pandora Battery on the PSP that needs to be unbricked or Custom Firmware installed to.

After the custom firmware is installed take out the Battery and plug the PSP in via AC Adapter and turn the PSP on (without the Battery inserted).

After the PSP boots to XMB place the Battery into the PSP and go to Game Menu Memory Stick and select OS Pandora Battery Tool.

You will get a warning screen just press X to get to the Main Menu. When the Main Menu comes up go to "flash only serial from mso:/eeprom.bin"

Go to Quit Now and it will exit to the XMB. Now turn off the PSP and unplug it from AC Adapter. Now Take out the Battery then re-insert the Battery replacing the battery cover and use as normal now..


PANDORA GUIDE: THOSE THAT HAVE CUSTOM FIRMWARE PSP

Go to Game Menu Memory Stick and run OS Pandora Battery Tool. Press X at warning screen to get to Main Menu.

Select "backup battery eeprom to ms0:/eeprom.bin"

After the eeprom is backed up go to "convert to service mode"

Go to Quit Now after the Battery has been converted and it will exit to XMB.

Turn off the PSP and take out the Battery.

Now use the Magic Memory Stick + Pandora Battery on the PSP that needs to be unbricked or Custom Firmware installed to.

After the custom firmware is installed take out the Battery and plug the PSP in via AC Adapter and turn the PSP on (without the Battery inserted).

After the PSP boots to XMB place the Battery into the PSP and go to Game Menu Memory Stick and select OS Pandora Battery Tool.

You will get a warning screen just press X to get to the Main Menu. When the Main Menu comes up go to "flash only serial from mso:/eeprom.bin"

Go to Quit Now and it will exit to the XMB. Now turn off the PSP and unplug it from AC Adapter. Now Take out the Battery then re-insert the Battery replacing the battery cover and use as normal now.

===================================================================

Now it is time to install the UPDATES/ADD ON files.

Go to Game Menu Memory Stick and run MUX 2.0 application.

This will bring up a menu that has all the updates listed.




Choose the update by moving the X at the left up and down with the D-Pad. Then press X when you select the update you want. The Memory Stick Led will flash a few seconds (3.80 M33 and 3.90 M33 flashes a little longer) and after it stops flashing you can go to EXIT at the bottom of the list and it will exit to XMB. Now run the UPDATE via Game Menu Memory Stick.

For those wanting to go to 3.80 M33 or 3.90 M33 or 3.95 GEN just go straight to it and skip the 3.71 M33-4 update.

Those that have a FAT PSP you can also install the 1.50 ADD ON that corresponds with whatever firmware you choose to update to (3.95 has no 1.50 ADD ON at this time).

Trouble Shooting:

If you have issues after creating the MMS and Pandora Battery then read the Possible reasons below.

Vista and 64-BIT XP users may have issues running the easy installer.

Some Memory Sticks are not compatible. Do not ask if your MS is compatible do a search and find out yourself.

New SLIM PSP systems have blocked the use of Pandora Battery Creators.

Not all PSP Batteries can be converted or Hardmoded to a Tool Battery. Do not ask if your battery is compatible do a search and find out yourself.

If your still having issues then keep trying different combinations of PC systems and MS till you find a combination that works.


Credit:
XiBit = Easy Installer
Cory = OS Pandora Battery Tool
C+D
Dark Alex
KingSebo = MUX 2.0

I have no issue with users adding this guide to another forum as long as I get credit for the creation of the guide and the authors of the applications that are used in the guide are credited as well.

It has come to my attention that a user has copied this guide and added a donation for support link to it. I don't understand how this user or anyone else gets off asking for donations on a guide they did not participate in creating or updating and had no participate in creating of any of the applications used in the guide.

This guide was intended to help others and at no time have I ever asked or accepted any type of donations for it. As well I would expect anyone that wants to add this guide to another forum follow the same guidelines.

If I find this guide or any of my other guides added to another forum and a donation link is added to it I will report the thread to a MOD and request that the guide be deleted and the member be suspended or banned.

Another great guide.
Now if people would just read the stickies we'd be set :)

Awesome guide Im about to try this out because Im having some very strange issues after trying to go from 1.50 official up to 3.71m33 I have a question though it may be dumb but ill ask anyway. Can I follow this method even though my PSP is not actually bricked? I basically want to start fresh with my PSP and this method seems to take a lot of the extra steps out of the way so I cant mess anything up by getting files confused.

Yes resievol, you can follow this guide on any PSP, bricked or not.

Larrylje, does this work with a Slim PSP battery then?

@resievol

Yes you can use this guide to install or unbrick custom firmware to any PSP.

@Ike14

Yes it works with compatible SLIM Batteries. Just make sure you choose to "write serial only from ms0:/eeprom.bin" when you convert the SLIM Battery back to normal.

Nice guide - Thanks !!

another great guide from larrylje keep up the good work :)

i have a problem with one of the steps for creating a pandora battery on a custom firmware psp i have made the pandora battery but when i put the battery into the psp along with the magic mem stick the universal unbricker doesnt show ehat should i do?

Originally posted by crisis23:

---

i have a problem with one of the steps for creating a pandora battery on a custom firmware psp i have made the pandora battery but when i put the battery into the psp along with the magic mem stick the universal unbricker doesnt show ehat should i do?

---

put the memory card in 1st then the battery.

i did that already

just tryed my one that i just made 5mins ago using this guide and it work's great and was quick to install. so it should work 4 u

what im thinking is that maybe while creating the magic memory stick i might have made an error but ive done it 3 times now following the directions perfectly and still nothing but maybe this is the problem :

The files will now be installed to the Memory Stick.

After it has finished writing the files you will get an image similar to below. Just type Y and ENTER to finish the instillation of files to the Magic memory Stick.

http://i63.photobucket.com/albums/h141/larrylje/writeboot.jpg

during this step i dont get that message in the image that asks me to push yes to continue i get another that says the people who created the program and then it closes after i push a button

Originally posted by crisis23:

---

what im thinking is that maybe while creating the magic memory stick i might have made an error but ive done it 3 times now following the directions perfectly and still nothing but maybe this is the problem :

The files will now be installed to the Memory Stick.

After it has finished writing the files you will get an image similar to below. Just type Y and ENTER to finish the instillation of files to the Magic memory Stick.

http://i63.photobucket.com/albums/h141/larrylje/writeboot.jpg

during this step i dont get that message in the image that asks me to push yes to continue i get another that says the people who created the program and then it closes after i push a button

---

that's strange that didn't happen to me i got the image and press y and it didn't come up

Quote:

---

the people who created the program and then it closes after i push a button

---

maybe because my computer runs vista?? should i try it on a computer running XP

no harm in trying i ran it on xp and it worked. not really sure about vista only starting to get use to vista.

Originally posted by crisis23:

---

maybe because my computer runs vista?? should i try it on a computer running XP

---

Rey using a PC running XP. If you still have issues try using a different Memory Stick.

yea i tried it on a XP comp works like a charm!!! thanks guys

hi there..im a noob..
ive been trying to download the link since 2 hours ago..it keep saying that im downloading more than one..can anyone give me another link??
and just to feed my curiousity b4 i bricked my fat..would a custom firmware 3.30 OE-A works too??

EDIT - fixed problem. I used XP and made sure the PSP was in USB mode BEFORE I ran the installer and in between each step that doesn't specifically ask you to turn off USB mode.

So anytime you take it out of USB mode, after you do what the program says, put it back in before continuing. For some reason, the whole thing took a longer time than when I wasn't putting it back into USB mode, but I guess that's because it was actually writing the files to my memory stick..

I've been reading your guides for a long time, first time to thank you, so: thanks Larry :)

Originally posted by crisis23:

---

The files will now be installed to the Memory Stick.

After it has finished writing the files you will get an image similar to below. Just type Y and ENTER to finish the instillation of files to the Magic memory Stick.

http://i63.photobucket.com/albums/h141/larrylje/writeboot.jpg

during this step i dont get that message in the image that asks me to push yes to continue i get another that says the people who created the program and then it closes after i push a button

---

I have the same problem as crisis..I don't get the writeboot screen I just get the credits and "press any key to exit"

I tried it on vista and then 2 xp machines with no luck. the only difference I noticed was in the formatting screen. vista just basically skipped the "verifying 957 mb" part from 0% to the next screen. xp counted through 0-100% sorta slowly.

this is making me nutz..

larrylje, do i need to be logged in to download the file.Always when I enter to download the file, it cant because it says that the server is at the full capacity, plz reply me, i dont know what to do!!!

Originally posted by PSPgamen:

---

larrylje, do i need to be logged in to download the file.Always when I enter to download the file, it cant because it says that the server is at the full capacity, plz reply me, i dont know what to do!!!

---

you don't have to log in it can take a while to get it keep trying.

One thing I wanted to add to this post that may or may not be common knowledge to everyone else using slim's. After this is all said and done it is a good idea to take a look at your flash1 via usb if there is no VSH folder in there then you will have to get those files back in there or your .ptf custom themes (via xmb) will not work. After I followed this tutorial (awesome work btw) I couldnt get my themes to work on the slim and found out by replacing those folders I could get it to work again and voila it worked. Needed folders are


flash1:/dic
flash1:/gps
flash1:/net
flash1:/net/http
flash1:/updater
flash1:/vsh
flash1:/vsh/theme


DO NOT REPLACE OR OVERWRITE any of these if they are present and do not get rid of hte registry file. Only if you open up your Flash1 via usb in the recovery menu and you see it is blank except the registry will be there already also

make sure to do a backup before you change anything in your flash1

it worked like a charm but now i got my phat batt Pandora stuck inside my slim lol

I had to use a tiny screw driver to carefully pop it out :)

cracking guide, cheers cacker
couldnt get it to work with any other tut, but this 1 worked a treat
i am using vista and had no probs what so ever

cheers