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Custom Firmware 4.01 M33 Released

greg | June 28, 2008

Ah, ha! Where we last left off Sony unexpectedly released firmware 4.01 while Dark_AleX was in the midst of developing 4.00 M33. Today, the continuation of our episode has come to a delightful end. Dark_AleX strikes with force and delivers the much anticipated custom firmware 4.01 M33.

4.01 M33 changes:

  • Bug fix: vshmenu didn’t let change camera mode due to camera_plugin using select button. Fixed, now vsh menu will not be loaded when using the camera.
  • Recovery can now be translated, See how below. Translation to Spanish is auto included.
  • Updated the M33 SDK with a new function and sample, and released the psp-packer tool to compress prx’s and PBP’s in the ~PSP format.
  • The folder of 4.01 and higher homebrew will be GAME4XX so it won’t need change on update.

Also mentioned in the readme: the 1.50 kernel add-on for the PSP Fat will be released tonight.

Download:
Custom Firmware 4.01 M33
Sony’s 4.01 Update EBOOT (401.PBP)

- source: dark-alex.org

Thanks John Jutras, Demonchild, and David Roth.

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175 Comments »

Comment by DMAddict
2008-06-28 16:20:34

w00t! nice to see this. Time to update.

Comment by CheeseMan6791
2008-06-28 21:14:21

can anyone help me install it?

Comment by Mike_501
2008-06-28 21:55:47

No. why do you people keep asking, you shouldnt be on this site then

Comment by bobk
2008-06-29 03:24:06

So there isn’t a tutorial and help section on this site?
If you don’t want to help them don’t be rude, just don’t say anything, or help them. Like I mentioned try the tutorial section or help section in the forums and you should be able to figure it out.

(Comments wont nest below this level)
 
Comment by BGM
2008-07-14 14:58:03

how do u install it could some 1 plz help me or email me on jax_z@hotmail.co.uk

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Comment by WhiredPSP
2008-07-20 03:07:23

To those asking for instructions:

Just go to the DarkAlex site where you can read the instructions for 4.01 M33. Or just read the file that says “READ ME” in the ZiP/RAR download file.

OFFICAL DarkAleX 4.01 M33 Download & Instructions here:
http://forums.exophase.com/showthread.php?t=7668

“You NOOBS should learn to read more! If your illiterate then WTF are you doing here go and study.”

~~~~~~I HATE SEEING SPAM ON THREAD~~~~~~

 
 
 
 
Comment by bal
2008-06-29 12:34:54

guys have Download the Fw4.01 and b4 the M33 is launch after which i tried to run the V4.01M33 show me some error. tried many time still the same erroe message any idea what i should do ….

Comment by DoomPlayer75
2008-06-29 12:47:55

you have to have cusotm firmware to run it so now you need to use a pandora batter to downgrade

Comment by bal
2008-06-29 21:53:06

Thanks Man …… Sad

(Comments wont nest below this level)
 
 
 
 
Comment by nedthehead
2008-06-28 16:24:07

Pretty damn awesome! Good to see DAX is still alive and screwing Sony

 
Comment by sipher
2008-06-28 16:28:26

been waiten for this, downloading the 1.5 addon tonight

 
Comment by Zachary
2008-06-28 16:28:29

YES

 
Comment by KiraxYamato
2008-06-28 16:28:36

DAX KILLED SONYY HAHAHA

Comment by MK2k
2008-06-29 07:16:22

You shouldn’t kill something that you are relying on completely (the original firmware that is) :P

 
 
Comment by vic
2008-06-28 16:33:45

can i update to cfw 401m33 from ofw 393?

Comment by p0op
2008-06-28 16:36:52

No.

Comment by liam
2008-06-29 05:33:16

yes pandora

 
 
Comment by Unquestionable
2008-06-28 16:59:22

No you can’t, search the forums for guides on how to install custom firmwares. :]

~Unquestionable

 
Comment by ZeRoCool1989
2008-06-28 19:09:11

Yes you can update from CFW 3.93 with this i’am updating it now!!
Thanks M33!!
Waiting for the 1.50 kernel now..

Comment by nyr2k2
2008-06-28 19:34:16

OP asked if you could upgrade from OFW, not CFW.

 
 
Comment by don-sch
2008-07-24 20:18:13

use this pandora-U.P.M.S. EMERALD INSTALLER IT WILL LET YOU OPERATE YOUR PSP NORMALLY AND YOU CAN GO BETWEEN 1.50 AND EITHER 3.52 M33, 3.71 OFW, OR 3.71 M33 IN A MATTER OF MINUTES.

 
 
Comment by Davy Boy
2008-06-28 16:39:26

ya only 9hs late with the news. come on psp-hacks pull your fingers out.

Comment by greg
2008-06-28 16:40:30

I just woke up. :)

 
Comment by Teny
2008-06-28 17:12:06

i dont think psp-hacks update 24/7

 
Comment by nyr2k2
2008-06-28 19:34:34

Then go somewhere else?

 
 
Comment by Jon
2008-06-28 16:40:33

how do u update

Comment by nyr2k2
2008-06-28 19:35:20

If you’re already on M33 CFW you can just use the network update (enable it in recovery).

 
 
Comment by Jon
2008-06-28 16:55:43

Nvm it waz in da read me dur

Comment by What?
2008-06-29 08:44:09

What?
Is that english??

Comment by droid
2008-08-15 08:08:41

Translation:
Nevermind, it was in the readme file. Oh dear that was retarded of me.

 
 
 
Comment by Tparsons5150
2008-06-28 16:59:58

Sweet Dark_Alex is the man

 
Comment by Teny
2008-06-28 17:06:08

Can I use 3.71 Popsloader with this to play ps1 games?

 
Comment by Louie187
2008-06-28 17:10:30

Hi, While trying to do the 4.1 CF update i forgot to change the sony firmware name to 401. Now i have Sony’s Origianl firmware.

How can i put 4.01 M33 back?

Comment by Teny
2008-06-28 17:12:49

use the Pandora Battery.
thats the only way

 
Comment by arty
2008-06-28 17:13:05

not quite sure, but unless u have a pandora battery, u might be screwed

 
 
Comment by Tparsons5150
2008-06-28 17:12:44

Hey guys does this one working with Network Update?(yes I already have 3.90 M33-3 installed) but getting connection error plus Dark_Alex org site is down for me on my PS

 
Comment by brw
2008-06-28 17:16:46

The network update does work just keep trying, Thanks Dark Alex

Comment by Tparsons5150
2008-06-28 17:29:21

still error for me but i’m just copying it to my mem card and running it from the XMB( no patience)

 
 
Comment by Louie187
2008-06-28 17:22:38

Thanks Guys, I dont have Pandora Battery.

At least i compleated Final Fantasy.

 
Comment by PSPHeaven
2008-06-28 17:29:38

Plugins I’ve Tested…

*Popsloader from 3.80M33 works
*CXMB plugin does NOT run
*Remote joy runs fine
*Screenshot plugin works

IF: vsh or recovery does not work:
Add en_recover.txt (blank text file) to your seplugins folder to fix recovery/vsh

Comment by Teny
2008-06-28 17:38:32

Popsloader from 3.80M33 works?
sweet, time to update.

 
Comment by Playboy
2008-06-28 20:43:45

PSPHeaven,there is a new CXMB.

http://forums.qj.net/showthread.php?p=2069400

 
 
Comment by PSPHeaven
2008-06-28 17:30:05

oops its en_recovery.txt

 
Comment by SkullBocks
2008-06-28 17:41:58

Hopefully IRSHELL gets an update now

 
Comment by dp1250
2008-06-28 17:46:54

How do I get the ps1 games to work?
I’m currently using 3.9 m33-3

 
Comment by PSPHeaven
2008-06-28 17:49:23

They will work the same :) Once you upgrade go into recovery mode and re-enable your plugin…..

If you’ve never done ps1 then watch this tutorial.

http://youtube.com/watch?v=XKMK0oBdyyk

There are 3 videos this is the first one…..

Comment by dp1250
2008-06-28 17:59:33

do i have to download the plugin from some where? upgrade to 4.01 first?

Comment by PSPHeaven
2008-06-28 18:48:24

Download in video description you dont have to upgrade but you can

 
 
 
Comment by BIOS Hazard
2008-06-28 17:51:34

^_^

 
Comment by Lootskin
2008-06-28 18:00:46

Wonderful update. Let’s just hope we don’t need to wait 4 hours on the kernel add-on.

 
Comment by Bob
2008-06-28 18:00:59

Just to be clear…sony releases 4.00, realizes there’s a problem and rushes 4.01 out the door…

This causes DA/M33 absolutely NO problem whatsoever and he just creates CFW 4.01, seeing as there’s no reason to make 4.00M33 and 4.01M33…

Maybe I’m going out on a limb here, but my guess is that DA is, in fact, God…

Comment by Foolmonkey
2008-06-28 18:15:18

lol, yes he is.

 
 
Comment by bobk
2008-06-28 18:10:24

Holy hell, yes.
I have been waiting for a new DA cfw, I”m sorry to everyone else working on cfws, but they just haven’t met the standards for me yet…

 
Comment by skoomaeater
2008-06-28 18:13:24

Good job M33
Now let’s see if GEN can top it =)

Comment by Foolmonkey
2008-06-28 18:15:50

of course he can’t! that’s just common sense

 
 
Comment by Whuxy
2008-06-28 18:24:24

Comment by PSPHeaven
2008-06-28 17:29:38
Plugins I’ve Tested…

*Popsloader from 3.80M33 works
*CXMB plugin does NOT run
*Remote joy runs fine
*Screenshot plugin works

IF: vsh or recovery does not work:
Add en_recover.txt (blank text file) to your seplugins folder to fix recovery/vsh

Your right, CXMB plugin does not work, hangs if the plugin is switched on

 
Comment by roland
2008-06-28 18:24:45

Dammit. I updated from GEN 3.9x over the network update (which was set to M33) and now I’m stuck with the official firmware again! :(

 
Comment by Lootskin
2008-06-28 18:33:33

When is his site going to stop 404 me? I need the newest Popstation!

Comment by PSPHeaven
2008-06-28 18:51:38

I have a download on my youtube video…

http://youtube.com/watch?v=XKMK0oBdyyk

There are 3 videos check them all

 
 
Comment by JoblessPunk
2008-06-28 18:37:07

I’m running 3.90 M33-3, is it worth upgrading? I’ve had no problems with 3.90 M33-3

Comment by nyr2k2
2008-06-28 19:38:25

I’ll wait until there’s a 4.01 M33 compatible CXMB. Otherwise, I’d update once 1.50 kernel add on comes out.

Comment by Playboy
 
 
 
Comment by pirrus
2008-06-28 18:41:51

Will my 3.90 m33 flash themes work on 4.01?

 
Comment by PSPHeaven
2008-06-28 18:52:40

If you upgrade XMB and CXMB will not work keep 3.90M33 if you want to be customized until an updated cxmb is released

 
 
Comment by jesus87
2008-06-28 19:38:43

can you access the recovery menu by pushing the select button in the XMB menu

Comment by Contagioncode
2008-06-28 20:05:53

No. It brings up the VSH menu only. Found two new Debug modes in fake region select. Later

 
 
Comment by pedjulino
2008-06-28 19:43:21

Does it work on psp slim 3.90-3M33?

 
Comment by ThePreserver
2008-06-28 19:45:07

I don’t think the fatmsmod 3.71 for 3.80/3.90 works on 4.01m33 as it semi-bricked my PSP.

Comment by RainMotorsports
2008-06-28 20:03:55

No it doesnt lol. Yes i bricked myne too lol. I decided to redo my upms 4 stick after updating.

But after having done it myself let me say it should have been obvious that a 3.xx patch isnt gonna work on a 4.xx firmware lol.

 
 
Comment by pedjulino
2008-06-28 20:00:20

Now for me work very good M33-401 on psp slim.

 
Comment by pedjulino
2008-06-28 20:02:33

For what i need to use this file en_recovery.txt ??
Please answer me.

regards

Comment by PSPHeaven
2008-06-28 21:04:17

someone said recovery didn’t work on theirs and that fixed it

 
 
Comment by k'hast
2008-06-28 20:03:51

Way to go DA! You are the best thing since the 2N 3904!!!! (Transistor)

It works excellent.

Comment by Contagioncode
2008-06-28 20:12:30

Yes,I remember the 1.50 days when you used Wipeout Pulse UMD to access a web portal to download 2.00 firmware from Japan! Good Tubes

 
 
Comment by Sam
2008-06-28 20:13:45

I’ve got 3.40 OE-A, how do I upgrade to 4.01 M33? I tried, but freezed on “please wait…”.

 
Comment by jin
2008-06-28 20:16:31

yea dax site is down dat why we cant use the update datsite where the psp finds m33 updates and his site is down so just have 2 wait,,,, 2 update or download it from here……when his site his back up u can use the psp 2 update ,,,,

 
Comment by pirrus
2008-06-28 20:23:09

will cwcheat still work?

Comment by nyr2k2
2008-06-28 20:53:39

Doesn’t work for me.

Comment by nyr2k2
2008-06-28 20:57:36

Okay never mind, LOL, I just had to re-enable it in recovery.

 
 
 
Comment by micheal
2008-06-28 20:26:29

i have 3.95 gen and wen i put the files for this on my psp it just puts a corrupt file there can i do this update from 3.95 gen

 
Comment by pirrus
2008-06-28 20:27:27

The “module” folder doesn’t exist anymore in flash0

Comment by Foolmonkey
2008-06-28 23:10:36

yes it does exist. what the hell are you talking about?

 
 
Comment by MidKnight
2008-06-28 20:29:23

hey, i wanna get this CF but i got 3.95 gen
do i just normally update or do i have to downgrade or somehting.

 
Comment by Lootskin
2008-06-28 20:36:07

The heck? I installed Popsloader correctly but I can’t see it in the Plugin category in the Recovery menu so I can’t enable it. What’s going on?

Comment by Lootskin
2008-06-28 20:40:36

Nevermind, added an empty en_recovery.txt file in the seplugins folder to make it work.

 
 
Comment by PSPHeaven
2008-06-28 21:06:10

:) yeh thats how…. alot ppl having that problem lol…. Glad its an easy fix tho.. DAX should have it so that it dosn’t need it tho…

 
Comment by renzoku
2008-06-28 21:59:28

After installed the cfw, the psp can’t detect all my savedata, games & homebrew.
Anyone know what’s going on?

Comment by renzoku
2008-06-29 09:46:51

problem solved. I format the memory stick and left the volume label empty because before this I always rename my ms volume label.

 
 
Comment by Rafi
2008-06-28 22:33:30

can i update to cfw 401m33 from ofw 3.95 GEN2?

Comment by nyr2k2
2008-06-29 08:43:34

3.95 GEN is a custom firmware (CFW) not an official firmware (OFW).

And no, you can’t directly upgrade.

 
 
Comment by TroyVoy88
2008-06-28 23:24:45

What the hell is with can they not read the readme.txt in the rar file. Read every possible reference that the rar file has to offer before asking questions. I mean, I don’t mind answering but common the freaking file that explain is right in your face!

 
Comment by psyfa
2008-06-28 23:40:36

thank god, that cave was starting to smell dank.. to the bat mobile!!

 
Comment by dotx
2008-06-29 00:14:46

lol..395 gen user…downgrade ur psp before u all upgrade?? cause i feel is the safest way…u might not know wad 395gen can jus bricked while u r updating.. PANdora =]=]=]=]=] best way out..im waiting for my another psp to save me now…my PHAT got BRICKEED..due to the stupid 395gen..

 
Comment by MagilsugaM
2008-06-29 01:19:38

What happened Alek site is down!!!

 
Comment by Nick
2008-06-29 03:38:10

When trying to update to 4.01 M33 via Network Update from 3.90 M33-3, I get the message that I am already running the latest version, and that there is no need to update.

The site is up, though.

Anyhow, great work - looking forward to t