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Custom Firmware 4.01 M33-2 and 1.50 Kernel Add-on Released

greg | June 29, 2008

Concluding our action-packed custom firmware adventure is the promised 1.50 kernel add-on for PSP Fat owners. And in addition to that — Dark_AleX has corrected a few 4.01 M33 bugs; ergo, releasing 4.01 M33-2.

Custom Firmware 4.01 M33-2 changes:

  • Nids resolver: Fixed scePowerGetCpuClockFrequency issue. This is the same bug that happened in 3.80 M33-1, it won’t happen again.
  • Fixes recovery problems that have appeared in prior version (incorrect position of back string in language others than English, enable, and disabled strings not translated in plugins, hide pic0+pic1 couldn’t be changed, language file in flash1 wasn’t working…)
  • Spanish recovery translation typos fixed.

Get down.

Download:
Custom Firmware 4.01 M33
Custom Firmware 4.01 M33-2 Update
1.50 Kernel Add-on for 4.01 M33

- source: dark-alex.org

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212 Comments »

Comment by Fallen Down
2008-06-29 14:48:06

That was fast!

Comment by Show me everything
2008-07-01 02:27:31

Way to fasr

 
Comment by denzel
2008-07-23 13:41:00

hello can you help me my email is : denzel_nr1@hotmail.com my question is how do i download 4.01 pbp i dont have internet on my PSP right now pleas help my name denzel

Comment by F#$K U!
2008-08-02 12:59:35

ahh stop posting shit dick-head

 
 
 
Comment by nyr2k2
2008-06-29 14:49:02

Now we just need some CXMB themes for 4.01!

Comment by Brokenworm
2008-06-29 16:28:02

you can use modded topmenu_plugin from 3.90 m33..

nothing is lost … wird …

 
Comment by Joe
2008-06-30 01:06:21

they are available allready…..
http://exophase.com/psp/cxmb-for-401-m33-6094.htm

enjoy :)

Comment by Eoh01
2008-06-30 08:07:38

Who cares where it is available… ??? Like seriously who cares it is already here as well… *shrugs* if you wanna get it somewhere else why are you posting about it go get it there some people actually like this site… Hell I downloaded it directly from the RSS feed of Dark Alex before all the other sites got it… YAY should I post that link???

Comment by nyr2k2
2008-06-30 09:00:26

Dude, chill out, he’s just trying to be helpful.

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Comment by xEvDAYimHUSTLINx
2008-06-30 20:50:42

bro stfu u obviously dont have a life. at least he’s useful& helps ppl. ur prob one of those loosers that have a fake pic of money or cars on ur myspace default pic.

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Comment by incredible hulk
2008-06-29 14:53:36

wow

 
Comment by AD0GG
2008-06-29 14:55:05

And let the 4.00 M33 updates begin lol

 
Comment by Arrowhead657
2008-06-29 15:10:13

YAY!!!

 
Comment by slim142
2008-06-29 15:16:36

Can somebody tell me if (icons, fonts, waves, gameboots) from 3.80 are compatible with this?

Comment by Brokenworm
2008-06-29 16:28:58

it is ….

 
 
Comment by PSPHeaven
2008-06-29 15:30:42

Hells yea!

 
Comment by Frankas
2008-06-29 15:40:55

1.50 Kernel Add-on for 4.01 M33 works on 4.01 M33-2???

Comment by Brokenworm
2008-06-29 16:30:54

yes

 
 
Comment by pedjulino
2008-06-29 15:44:21

1.50 Kernel Add-on for 4.01 M33 works on 4.01 M33-2??? yes, sure.
But doesnt work on psp slim :(

Comment by Brokenworm
2008-06-29 16:36:26

use the “timemachine_0.1″ and you will have a complete working 1.5 firmware working on your slim… running from ms so it dosent efect the flash

i use it ONLY for pimpstreamer becoes of the damn laggy “buggy” way it plays in slims !

 
 
Comment by nickie
2008-06-29 15:55:29

Im on 3.71 M33-4

Can I upgrade straight to 4.01 m33 or do I need to upgrade to a lower number first?

Comment by norain
2008-06-29 16:11:48

You can upgrade straight to 4.01

 
 
Comment by Brokenworm
2008-06-29 16:25:27

just WOW … and this time i mean it…

 
Comment by IHATEYOUSOFIYACAT!
2008-06-29 16:27:23

Hey how do i access in XMB Recovery or Savestate?

 
Comment by Antagonist
2008-06-29 16:36:22

Any word on whether or not the popsloader from 3.90 M33 works?

Comment by Brokenworm
2008-06-29 16:38:15

it does work

 
 
Comment by IHATEYOUSOFIYACAT!
2008-06-29 16:38:57

HOW DO I ACCESS IN-XMB RECOVERY!

 
Comment by PSPHeaven
2008-06-29 16:56:07

Not completed nor is savestate, calmdown guys

 
Comment by Jimmy
2008-06-29 16:58:06

Where do I put the 1.5 Eboot to get the 1.5 Kernal working with the new 4.01 CFW?

Comment by gregerson316
2008-06-29 17:07:45

I believe in the root of the MS.

 
 
Comment by Sadisten
2008-06-29 16:59:18

My 8Gig memory card doesn´t work anymore :-(, Do I have to reformat it?

Comment by Brokenworm
2008-06-29 17:09:42

u can use the old “fix” from dark alex ..

i think :D

 
 
Comment by RainMotorsports
2008-06-29 18:39:28

DO NOT USE the FATMS371.prx patch or i would assume ANY 3.xx patch on 4.xx you will brick.

 
 
Comment by Bloodpool
2008-06-29 17:25:39

damn that was fast!!!

 
Comment by Skorpion
2008-06-29 17:25:49

Can someone please tell me what the 1.50 kernel add-on allows me to do on a PHAT?

I do currently have the new CFW 4.01 M33-2

Thanks so much!

Comment by Brokenworm
2008-06-29 17:46:18

for example … it runs pimpstreamer perfectly without lag…. the kernel3 does not…

 
Comment by nyr2k2
2008-06-29 19:55:05

Some apps can only be run on 1.50 kernel.

 
Comment by Joe
2008-06-30 01:04:52

u lose korean fonts and LocationFree Player when u install 1.50 kernel….but u get FULL support for homebrews ( i ALLWAYS isntall it…FUCK location free player)

 
 
Comment by Skorpion
2008-06-29 18:47:00

Where do I install the 1.50 Kernel Add-on for 4.01 M33. When I updated via the network it did NOT creat a GAME4xx folder??? I don’t see it in my list of games. What am I missing.

Thanks for the help?

Comment by Vic
2008-06-29 19:00:47

1.50 Kernel Add-on

To install, first download the 150.PBP and place it in the root of your memory stick (X:\150.PBP, if X is the drive letter of your PSP). Then simply copy the “150k_installer” folder to GAME and run the installer from the PSP’s Game menu.

Comment by Skorpion
2008-06-29 19:41:40

THanks so much for the help!

 
Comment by Joe
2008-06-30 01:02:34

in the readme DAX said to place 150k_installer folder into GAME4XX folder not GAME….im guessing 150.PBP still goes into root of mem stick?

Comment by gyjunior
2008-06-30 09:48:42

yea… only wors for PHAT.
150.pbp in root
create Folder “Game4XX” and copy the 150k_installer to that folder… should work fine in the normal gamefolder as well.

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Comment by Orazal
2008-06-29 18:48:26

Does anyone know if loading speed from MS is corrected or do we still need to do tha 371fastms patch?

Does the patch work on 4.01? Anyone?

Comment by nyr2k2
2008-06-29 19:55:53

I’ve heard that patch has lead to semi-bricks on 4.01m33 so I’d be careful.

 
 
Comment by Save state わ?
2008-06-29 19:06:22

Where is the save state function?
(TT-TT)

Comment by nyr2k2
2008-06-29 20:28:45

Hasn’t been intergrated by DaX yet.

 
 
Comment by junior
2008-06-29 19:16:05

hey im a noob jus upgraded to the 4.01m33 and just wondering how to get the prx and plugins working? i dont kno how to make it work… i read the readmee.. can some one help..

 
Comment by pob
2008-06-29 19:27:03

just wondering …. whats the point of this release ? im on 3.52cfw , should i upgrade to this and if so what does it offer.

all my emulators and pspradio/psptube and other apps work perfectly,so do i need this update for anything special ?

cheers

Pob

Comment by Extreme
2008-06-29 21:01:50

Pob, if you’re going to be using it to strictly use it for playing games, and homebrews, then mate, no, not really, everything you need, and and all you’ll basically need is on a 3.52m33, though i suggest you upgrade to at least 3.71m33-4.. even 3.80m33-5. I mean, usually I (and I haven’t yet) upgrade to the newest custom firmware because it’s always full of bugs, and more than likely you won’t be able to do things you’ll usually do. So just follow my advice, basically go for 3.80m33-5 if you’re wanting to update at the mo.

Comment by Extreme
2008-06-29 21:02:54

My bad, I usually don’t upgrade to the newest firmware*

 
 
 
Comment by Skorpion
2008-06-29 19:43:01

I was wondering if somone could please help me.

I have always had my gameboots installed and working perfectly.

After upgrading from 3.90 M33 to the new 4.01 M33-2 my gameboot no longer works.

What I get now is a PSP logo with a white background, no sound, and also not the original.

I have tried to RE-INSTALL to Flash0/vsh/resource folder and it does not work. Still get the same blank screen. Can’t even seem to go back to original. I just can’t figure this out?

Any help would be greatly appreciated.

Thanks!

Josell

Comment by Extreme
2008-06-29 21:05:15

Best thing is to use a Pandora Battery. Google “psp malloc forum” and find it there.

 
 
Comment by junior
2008-06-29 19:43:44

what is sdk? i dont get it.. i have upgraded to 4.01m33-2 but i dont kno how to get the sdk and prx and stuff like that working?

what does it do i dont get it.. can some one help plz?

 
Comment by Teny
2008-06-29 19:44:19

if i put the m33-2 update and 4.01 OFW in my memstick, will it install 4.01 m33-2?
or do i have to put the m33 update and 4.01 OFW in the memstick then update to 4.01 m33, then update to 4.01 m33-2??

Comment by junior
2008-06-29 20:00:00

what u need is a pandora battery to downgrade and then upgrade to m33 u cant just install m33 firmware over sony official firmware dude

Comment by Teny
2008-06-29 20:34:03

i already have m33, i guess what i wrote is misunderstanding.
the autoupdate doesnt work for me, so i have to manually update.
i update my friends psp, and they all have CFW, but when i want to update them to 4.01 m33-2, do i have to update it to 4.01 m33 then update to 4.01 m33-2? or can i just use the 4.01 m33-2 to update from 3.90 m33-3?

Comment by nyr2k2
2008-06-29 21:14:36

You should be able to go straight to m33-2.

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Comment by norain
2008-06-29 20:04:18

Save yourself a lot of trouble and (if you’re running 3.80m33 or higher) let it autoupdate you to 4.01m33-2

That’s what I did.

Comment by auzzi04
2008-06-30 19:00:24

he said it didnt work for him..

 
 
 
Comment by Bob
2008-06-29 20:20:48

Question:

Why does DA/M33 not work for Sony?

I would guess they have tried to hire him, so is it a moral objection? (For which I would hold DA in even higher esteem than I already do) Or is Sony just REALLY stupid?

However many millions they would have to offer him, it would be well worth it…the guy plays the PSP like a violin :)

Comment by Swatmajor1
2008-06-29 20:38:09

Corect me fellow PSPers if I’m wrong on this, but I believe that Dark Alex did work for Sony, but got rid of him after he was using this access to Sont tech to create the firmware’s.

 
 
Comment by Cheatmaster8
2008-06-29 20:49:15

You are wrong Swatmajor, he didn’t work for sony.

Comment by maddeath
2008-07-12 11:59:08

the guy is like 18-20 hes way too young to work for sony.

 
 
Comment by Steve
2008-06-29 20:50:49

I have never clicked banner ads, but I clicked both of DAX’s on his site. Everyone else should do the same to get him a couple of bucks for all the hard work and dedication he puts into the PSP scene.

 
Comment by Skorpion
2008-06-29 21:10:36

Is anyone using custom Gameboots with this new firmware successfully? Mine dissapeared after upgrading?

Thanks.

 
Comment by LaughingMan
2008-06-29 21:35:29

guys, if you are recieving bugs.. Report them to DAX(via his website). im sure he knows the issue with gameboots, and various others i have spotted… Prepare from M33-3 :D…

 
Comment by @$$hole
2008-06-30 00:19:13

i have no prob with my slim….

 
Comment by XGOS
2008-06-30 00:39:01

Get down with the get down! DA is on it!

Comment by noobi
2008-07-22 14:44:15

hi

i have 3.40 oe-a (yeah i know)

how can i update to this program?

thanks
noobi

 
 
Comment by norain
2008-06-30 01:04:19

So far I’ve seen ZERO bugs. Was running 3.90 M33-3… went to 4.01M33: Popsloader still worked. I didn’t touch it. Didn’t do anything. Just ran Metal Gear Solid right after the reboot and got killed by Sniper Wolf.

Upgraded to 4.01M33-2… again… without reconfiguring anything… Started up MGS, KILLED Sniper Wolf… Switched to disc 2…. absolutely no problem.

The google search thing worked… Recovery menu works… Fastfoward and rewine videos works…

If there’s a problem with this firmware it must be something I reaaaaaally don’t care about.

Comment by elecman_x
2008-07-01 21:43:24

Same here. I consider myself lucky when I hear of bugs and I never experience them.

The only bug I ever seem to encounter is in MGSPO+, when occasionally, the game will appear to freeze, but is actually still going, it just LOOKS frozen. Usually happens in the loading screens, but once it happened in a timed mission, and I barely made it to the checkpoint.

Not a firmware problem though, since I have tried this on OFW (3.90) and CFW (3.90 M33 and 4.01 m33), and it does it either

 
 
Comment by ArribaLasChivas
2008-06-30 02:30:55

I have upgraded to 4.01 M33-2 and installed the 1.50 kernel. Now XMBeditor doesn’t work. I always get the message “Error: Argument error: Image:clear([color]) zero or one argumenpú
Press start to restart”
Anyone have any ideas on how to fix this?

Comment by gyjunior
2008-06-30 03:12:23

slim or Phat?

Comment by ArribaLasChivas
2008-06-30 23:32:09

phat

Comment by gyjunior
2008-07-01 04:36:15

Actually it doesnt matter… sry, but U’ll have 2 wait for the XMBeditor 4.01! Will take some time unitl its recompiled for CFW 4.01m33-2.

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Comment by ArribaLasChivas
2008-07-01 20:53:18

Well, that’s a punch in the crotch! Thanks anyway

 
 
 
 
 
Comment by foreveranxman
2008-06-30 02:54:12

Does this new CFW increase the popsloader compatibility? I have CFW 3.90 m33-3 and I love it. Some games might be slightly glitchy but it really works perfectly for me. Should I download this update? Will it make more PSOne games even more functional?

Comment by gyjunior
2008-06-30 03:15:11

No, not yet. Still waitin for FF VII to run on 4.01 m33. If any1 has any ideas…

And when is the vsh/game/pops music support coming??

Comment by RainMotorsports
2008-06-30 04:18:15

FF7 does in fact work perferctly on 4.01 M33. Im playing it right now for the first time no less lol. But i even read in three places it works perfectly.

Comment by gyjunior
2008-06-30 06:59:58

It doesnt work for me!! Crashes after the new game/continue window!! Any help?? Talking about FF VII for PS1, not FFCC.
Any, ideas please…

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Comment by nyr2k2
2008-06-30 09:44:12

Google “PSX on PSP compatibility list”. Follow the first link, then read about FF7.

Try different POPS versions with POPS Loader.

 
Comment by gyjunior
2008-06-30 09:51:24

THX!

 
 
 
 
 
Comment by conbinboy
2008-06-30 03:05:56

One thing I wish Dax could implement is another Fatsmod patch for 4.xx. I have tried the 3.8/3.9 one and it does not work. If I just ran programs (such as Gundams Battle Chronicles or Suzumiya Haruhi ) with plain 4.01m33-2 , the game intro would be very laggy. I guess it is the same issue with 3.71 jump to 3.80. Anyways, thanks for the good work Dax, nothing makes us more happier to see 5ony’s azz got whip one more time.

 
Comment by psyfa
2008-06-30 04:57:03

Ka-pow…

 
Comment by Nikkolo
2008-06-30 07:21:37

Does “Custom Firmware Extender v2.2″ works in this type of firmware??????

Comment by nyr2k2
2008-06-30 09:02:09

No.

 
 
Comment by Rico 3.90 m33-3
2008-06-30 07:24:02

hi peeps, im currently running 3.90 m33-3 and loovin it, i havent seen many pros/cons about 4.01, the only thing i miss on my 3.90 is the picodrive, has ne1 tried that on 4.01 yet??. Also, if i use my psp’s auto update function will i download DAX’s 4.01 or sonys official 1???, pleeez help, shud i bother updating??

Comment by steve
2008-06-30 12:27:04

Donno about picodrive… but u can update by using the update function. DA implemented it since 3.80m33

 
Comment by unggoy
2008-07-01 02:39:07

it’s not possible to update to sony’s official firmware if you have m33 custom firmware as it is blocked to prevent from updating to the official one..

 
Comment by D1rtnsty
2008-07-01 02:55:15

works perfectly for me after the addon

Comment by Rico 3.90 m33-3
2008-07-01 06:00:54

thanx alot for replying, i just used the network update bt it sed the 401.PBP was not found, i think im gna stick to 3.90 m33-3 for a while lol. im still tryin to get a good megadrive emu if ne1 can help me out on that. THNX PSP-HACKS, AND ALL U GUYS, AN NOT 4GETTIN DAX!!!! XX

 
 
 
Comment by Xabbu
2008-06-30 08:04:35

Hey,

I’m on Slim 3.71 M33….What’s better 3.90 or 4.00? What’s exactly difference between 3.90 and 4.00 Is it Skype on 4.00 like on 3.90? Which wersion shoud I install..
Thx

Comment by steve
2008-06-30 12:32:13