M33 custom firmware catches up to latest 3.90 release

Posted Jan 31st 2008 10:25PM by Andrew Yoon
Filed under: Homebrew

It didn't take too long for the talented M33 team to release a custom version of Sony's latest Skype-enabled firmware. With the new Network Update feature of these custom releases, homebrew users can simply update directly from their systems. However, those that aren't fortunate enough to be near a wi-fi point can simply download the necessary files here. (But, considering Skype is the main benefit of 3.90, we think only those with reliable access to wireless internet will really download this update.)

Tags: 3.90, custom-firmware, dark_alex, m33, skype

Reader Comments (Page 1 of 2)

1-31-2008 @ 11:15PM

Spiritsoulx said...

Let's hope Dark_AleX cracks the firmware that Crisis Core runs on as quickly as this one.

':3

1-31-2008 @ 11:37PM

Shane said...

Sounds to me like Sony is just "phoning it in" security wise when it comes to updating these firmwares. When it takes DA about a day to get his custom firmware up to date you know either Sony didn't change much or he knows someone on the inside.

2-01-2008 @ 6:22AM

B1gC72 - PSN: KillaKornbread said...

i dont really think they are trying anymore honestly. a Custom firmware drops like 2 days after and Official firmware all the time. this may be their way of embracing homebrew.

o and NO on that pun lol. just NO.

1-31-2008 @ 11:43PM

Erik said...

I thought maybe he was able to get the older PSP to run Skype, but it didn't show up on my system, so I guess not.

2-02-2008 @ 11:20PM

Ruben said...

Hi, can you tell me what u can do with custom firmware m33 that u can't do on sony firmware please, is it safe? thanx I just luv my psp and dont want to screw it up. Can u go back?

1-31-2008 @ 11:47PM

Spiritsoulx said...

Maybe Sony is... supporting homebrew?!?!?!!?!?

PLOT TWIST!

2-01-2008 @ 4:59AM

Raj said...

Can someone find out if he is working on a way to enable Skype on the phats, I've searched and searched and found no conclusive answer...

2-01-2008 @ 5:23AM

aleks said...

hahaha i think they dont even bother anymore to make it harder for DA to crack the firmewires becouse sooner or later he will crack it :)

2-10-2008 @ 3:35AM

Narash said...

bro 1st i was using version 3.40 n then i acciendently update n then i cant play game act i put ma game on memory stick n play but now cant plz sum 1 help me

2-01-2008 @ 8:54AM

Kramer said...

so? will it make Skype work on original PSP?
I don't see any explanation anywhere how this firmware different from official.

2-01-2008 @ 10:20AM

Martin said...

Skype is not enabled on the original PSP due to less system memory. I've heard rumblings of somehow getting it to work by using an enhanced swap system, or swapping with the memory stick, but I doubt it will happen.

2-01-2008 @ 1:05PM

James said...

I doubt it too. The transfer speed between the PSP's EDRAM vs Memory Stick? I'd laugh but the EDRAM got there before me.

2-01-2008 @ 12:14PM

Brian said...

the firmware has been cracked already huh! Make me wonder how different Sony's fw from DA's cfw .... is it simply changing a line or two of code. Is this Sony's way of unofficially supporting homebrew apps .... they seem to take ideas from it.

2-01-2008 @ 3:50PM

rockeranimefreak said...

yay Dark_AleX =) I guess this is to have more compatible ps1 games... oh yeah we have voip on the phat it's in alpha though it's called Furikup 0.1a I haven't used it but I heard it's really good. So Sony, If homebrew dev's can make voip on phat why can't you guys put skype on it?

2-05-2008 @ 4:44AM

Robert said...

According to the official line, Skype takes advantage of the Lite's upgraded RAM and lags on the Phat to the point where it's non-deployable. Skype's software is very high-quality as well. Not to disparage what the homebrewers have come up with, but Skype is highly mature in comparison - alpha (homebrew) versus a product that shipped several years ago (skype). Word from a Cisco higher-up was that Skype could handle as much as 2.5x the packet loss that its competitors' products could before degrading beyond reason.

As far as getting Skype to run off the Memorystick, well, good luck. The level of abstraction from the processor is proportional to the speed of access by the processor. Registers are described as 1 in terms of access time; first level cache is 10; RAM is 100; hard drive is 1000. The memorystick isn't wired up like RAM, it's wired up like a hard drive. So, if 100 is acceptable for operations that're run commonly, adding an order of magnitude onto that will hurt it exponentially. You've made the program have to wait ten times longer to do what was otherwise fine. Yes, it can continue encoding incoming voice data, but it will have to keep putting it on the bus to ship out to the DSP (presumably - I can't imagine they'd leave that unused for this purpose), then....yeah, there's a lot going on in there and that one little extra layer of abstraction can and does ruin the ability to competently run Skype.

2-01-2008 @ 6:46PM

Egg said...

So, I just got a PSP and love it, but know nothing about what i can do with cracked firmware. Being the nerd that i am i'm going to get the cracked firmware. I found where to get it and how to put it on my PSP but haven't found anything telling me what i can do with it. Can anyone point me toward a page that'll enlighten me?

2-01-2008 @ 8:46PM

Kevin said...

Custom Firmware allows you to play games without the UMD, make backups of your UMDs, run homebrew games and applications.
Put it this way. Everything you could ever want for PSP that Sony wouldn't put.

If you are in need of a Pandora's Battery and Magic Mem stick and go to S.I.T.H.S. I will gladly put CFW on your PSP.

2-02-2008 @ 11:21PM

Ruben said...

cool

2-03-2008 @ 10:17AM

aeran said...

i have recently upgarde my firmware from 3.7 m33-4 to 3.9, but i cant run my games on my memory stick.. please help... thanks

2-03-2008 @ 8:04PM

sean said...

i have firmware 3.80 no cfw can i use the new 3.90 cfw thanks

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