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Custom Firmware 5.00 M33 has just been released. Dark Alex completely skipped 4.02 and released 5.00 M33. Interested in the changes? Read the PSP 5.00 OFW changes. The most welcome change to 5.00 is the full QUERTY keyboard. No more cellphone like input for us ^_^.
Note: If you’ve already install 5.00 M33, you can skip to it’s patches on the next page. The latest patch is 5.00 M33-6.
Update: Games requiring 5.50 and 6.00 firmwares currently lock out 5.00 M33 users. You may want to read up this guide on how to patch them or simply upgrade to 5.50 GEN-D3. Having 5.50 GEN-D3 installed will play these games without the need to patch up.
Requirements:
- PSP Phat or PSP Slim with 3.52 M33 or higher. If you don’t have custom firmware yet, READ: Convert your PSP to custom firmware.
- PSP battery that’s at least 78% full
- Download: 5.00 M33 | 5.00 M33 | 5.00 M33
- Download: 500.PBP | 500.PBP
- Disable ALL plugins.
- Back up your save files (so that if they get corrupted, you still have backups)

How to install 5.00 M33 CFW on your PSP:
- Extract the 5.00 M33 installer files to your computer.
- Copy the Update folder to X:/PSP/GAME/ on your PSP’s memory stick.
- Download the official 500.PBP. Rename the EBOOT.PBP to 500.PBP before proceeding.
- Copy the 500.PBP to the directory; X:/PSP/GAME/UPDATE on your PSP’s memory stick.
- Disconnect your PSP
- Run 5.00 UPDATE from under Game on your PSP’s XMB
- Press X if asked to correct idstorage keys
- Continue to install the official 5.00 SONY when prompted
- After all process is complete, press X. Your PSP will reboot.
- Congratulations, you’ve just installed 5.00 M33
Now for the patches……
STOP!!!
If you haven’t successfully installed the 5.00 M33 firmware then you can’t proceed here since these are just subsequent patches. Read the guide on How to install 5.00 M33 on your PSP above or if you have official firmware, post a comment and let’s see if I can help you out.
If you want to upgrade your 5.00 M33 to it’s patches turn to the next page.
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Tagged with: 5.00 Firmware, Custom Firmware, How to install 5.00 M33
Filed Under: Playstation Portable


















i have the psp ver 5.03 and when i will instal it or play a game or program it says
… the data is crupped
Will I be able to update from 3.52 OFW straight to 5.00 CFW on a
Phat psp? (PSP-1003).
Why do I need a pandora battary to update to CFW
Thanks
(Im a noob at this psp stuff)
No, you can’t upgrade directly. If you try you’ll end up bricking. You need pandora to install custom firmware.
hi i got a psp firmware 4.05 (without any M33’s) can i ask if i can download/install the firmware 5.00m33 directly so i can start playing any downloaded games because curently my psp only accept umd games or game demos atleast can you help me?
please…
Hey guys,i am very stupid,i updated my psp to official 5.03, i want to make it 5.00 m33,how can i do that (if possible i prefer without pandora battery or magic stick coz i dont have those) cheers,please help!
Can I change the pandora battery to a normal battery? after CFW installing is done. Change it back to a normal battery from the same psp?
thank you
i want to download this firmware so i can download and play games is this the right firmware and will it stuff up my psp and if i install it on my psp can i uninstall it and how?
Ok, So I just picked up a PSP from a friend. Its running on 3.90m33-2. I’m trying to upgrade it to 5.00m33-4, but whenever I try and run the Update from the games Menu, the option provided is to update to 3.73, and the PSP tells me I don’t need to update because I’m at 3.90.
Any ideas?
ei..mga kabayan..ask lg..
pde na ba malagyan ng firmware ang
psp 3000.?
psp 3001 ung meron aq..
tsk..
phase out na raw 2000..
Yes, they phased out the 2000 the moment PSP 3000 entered production.
Malalagyan mo ng firmware ang 3000, kaso di custom, ung official lang.
hi i got a psp firmware 4.05 (without any M33’s) can i ask if i can download/install the firmware 5.00m33 directly so i can start playing any downloaded games because curently my psp only accept umd games or game demos atleast can you help me?
please…please
hintay ko padin po reply muh.. pede ko ba xa lagyan or my chance ba xa malagyan ng cusom firmware
What model of PSP do you have? If you have a PSP-1000 you need a Pandora Battery to install Custom Firmware.
If you have a PSP-2000, what motherboard do you have? A shop can check it out for you and install the custom firmware or you can look it up yourself (you need to peek through the UMD door and read the model number on your PSP’s motherboard). You still need a Magic Memory Stick before proceeding.
WoW gee thnx!! i
have
a 2001 (indicated in front of the manual)
ill check it out thx so muuuuch!!!
im beginning to loose hope of my psp.. :c
is it the one embosed on the back side of the umd door,
its like this..
F2-1
>PC+GF20<
or is it the numbers beneathe the usb port inside., 092CD
when i checked my brother’s PSP i saw his M.Board# in the upper right side corner the problem is his psp is the fat one i got the slim and it has limited space i cant find the exact location of its #.
sylv3rblade, thanks for posting this update. anyway, i’m trying to install the 5.00 m33 update. i followed your instructions, copied the update folder to the right path and also copied the 500.pbp file in the same folder. but when i run the update, it says “The game could not be started. (80020148)” my console is a psp-2000 and has original firmware 4.05 installed. will i have to downgrade or is there something i’m not doing right? hope you can help me on this. thanks so much for your time! mabuhay!
oops, sorry. my psp model is psp-2006. original firmware still at 4.05.
To those asking if you can have custom firmware, be sure to read Atma Xplorer’s latest post: Check if you can install CFW on your PSP.
Hello, I accidently didnt copy the m33 file and updated the original 5.00 update.( i was on 3.71M33 before) Now I have an original 5.00 and I dont know what to do to get 5.00 M33 . Help WOULD BE VERY WELCOME
huhuhu… thx sylv3rblade for the post..
but i think my psp cant acquire CFW huhuhuhuh…
i saw it at the back of my battery pack and my serial starts with HU2——
mine is a slim piano black 2001 series and its more probably in the 2nd Generation 2000 Series that uses TA-088v3.
im soo very very sad……
can i have any light that my psp can still be converted… anytime soon?
im sooo hoping that you guys and dark alex can spark it up and have a solution for this.
sincerly many many thnx..
ouch, that’s too bad dude.
hi, i’m using a 3.52m33 firmware now, when i run the update for 5.00m33, it always stop at
” Unpacking… done.
Please wait… ”
Please help… thks
try updating to 3.90m33, then update to 5.00 m33
hi sylv3rblade! ian here again can you recomend a reliable shop that you think is best and its location where in they can check out my psp?
thnx thnx thanx!
Circuit City at any SM mall.
I have official firmware 5.03 and want to download the 5.00 m33 CFw help me anyone?
hi, jst a few days ago i upgraded my sister’s silver psp to an official sony updater version 5.03 with d EBOOT.pbp
unfortunately i ddnt know it wld wipe out the modification dat it alrdy had last year to play downloaded games.
i found a website http://www.hakopsp.com and tried to ask for help this was my post..
“hi, my sister’s silver psp was modified last year and that it was working fine with downloaded games.
unknowingly i tried to update d version by downloading a higher version update from sony official psp update software website and it successfully updated to version 5.03
it ddnt mess the usual capabilities of the silver psp to display pics, play music & videos, and PLAY UMD games.
but wen i tried looking for the downloaded games in the memstick it doesnt display the games i have saved in the memstick.
how can i modify it to play downloaded games again?
i ddnt know dat if i updated the version with an official updater that it wld wipe out the modified features it had last year to play donwloaded games.
its expensive to have it modified again thru a guy who does it at the mall.
can i install ur custom firmware to fix the new sony version 5.03 update without messing things up?
i alrdy felt bad for messing it wen i updated with a new official sony update by overwriting the old modified state that she paid for to have it done at the guy at the mall who sells psp accessories..
so before she left this morning i let her borrow my blue psp (which i had paid a guy at the mall to modify it) jst for the meantime until i get her silver psp back to playing downloaded games.
i want to modify this silver psp but im afraid i might kill d damn thing!
please help me =(
Posted on April 4, 2009 5:43 AM ”
you know wat hako replied?!?!?
“GOOGLE IT”
that was so disappointing really.
i went back 2d mall and asked for d guy der 2modify it again and he tried to use d pandora battery & his memstick but the thing is it wont start d modifying thing, jst a BLANK BLACK SCREEN.
he said he needs to open it up must b somthng wrong w/ memory or something. he said dat wld take longer to fix and wld cost me Php800!!!
can i still do the modifying on my own with d help of ur instructions? or shld i let the guy at the mall try to fix it and spend Php800?!?!
HELP!!!! :’(
btw.. i checked d serial number of the silver psp:
HU3491532
and it came with d box of DAXTER limited version, my mom bought it there in cali and shipped it to us last year.
is there any hope i cld downgrade it again? or shld i jst let d guy at the mall attempt to fix it?
If it already had custom firmware installed (and since the Daxter Pack is a PSP Slim) you just need a magic memory stick to install custom firmware.
Although since you mentioned that you have little idea of what’s going in, it’s better to cough up the 800 pesos than brick the PSP.
thanks
dude if this thank ………………
ITS SHOWS ME data corrupted why it is show this plz help
re-download the files and try to install again. If the problem persist, post another comment.
i tried to upgraded to 5.0 m33. When i updated on my psp. Suddenly when in reached 92%, the update stopped. then i took out my battery. and i can turn it on anymore. what should i do ? help please
i cant play my psp.
Try entering the recovery menu and do a hard reset on your PSP. If it doesn’t work, you may need a universal unbricker and reinstall custom firmware again.
It’s important that you remember that you shouldn’t, under any circumstance, turn off your PSP when patching firmware. Otherwise you’ll brick it.