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PSP Firmware 4.0 decrypted: PRX changes, minimal problems for CFW development

Posted Jun 18, 2008 at 9:27AM EST by QJ Staff

Listed in: Firmware, Homebrew Development, News Tags: Custom Firmware, psp firmware
Ó

   PSP Firmware 4.0 decrypted: PRX changes, minimal problems for CFW development - Image 1 


The team that brought us Custom Firmware 3.95 GEN was able to look into the resource directory of Firmware 4.0's flash0 resource directory, revealing a bunch of PRXs that have been changed.

They note these PRXs among those that have been changed: pops popsman, npdrm, np9660, mlnbridge, sysmem, umdcache, sysconf, and video. They also point out that the NIDS doesn't seem to have been changed.

Good news is that they don't think that any of the changes will pose too much of a problem for developing Custom Firmwares, and they believe that one will be introduced soon.

A hearty thanks to Gilberto for the tip!

Via PSP GEN



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Comments 


 
# I thinkBolec 2008-06-18 10:29
that's good, isn't it? But there's not really too much cool stuff (if any) in this FW, so I don't know if I update or no..

Reply
 

 
# heyNDWolfwood 2008-06-18 10:35
has DAX given up making custom firmwares? i hope not. his were awesome. thinks* hmm maybe DAX=GEN?*

Reply
 

 
# don't think soKyyubiDX 2008-06-18 10:55
the main coder of GEN miriam is a french girl (french part is supposition) so no XD sorry to burst your bubble

Reply
 

 
# oh lolNDWolfwood 2008-06-18 11:00
well, anyway i just hope that DAX hasn't given up making his awesome custom firmwares.



also (just thought i'd share this) some of the ppl on the forums at us.playstation.com think that the custom firmwares are stupid, and that ofw are better. haha they doan know what they're missing

Reply
 

 
# ....Silver-Tiger 2008-06-18 11:09
you know, Sony is keeping a tap on this board, if there a lot of comments about CFWs, they simply delete them.

Reply
 

 
# .EXTER 2008-06-18 11:09
No, DAX was just waiting for a major revision to be released. The last few previous firmwares offered little change, so DAX didn't waste effort into making an M33 of those. I've heard that despite little improvement, DAX will still make 4.00 M33, because it's a mayor release number.

Reply
 

 
# 0.oNDWolfwood 2008-06-18 11:17
you mean the us.playstation board right, silver?

lol cuz i was gonna say, "sony doesn't control qj. hahaha."





check this out. i made an awesome point here:

http://boardsus.playstation.com/playstation/board/message?board.id=psp&message.id=3347384&jump=true#M3347384





(i'm Rakuen)

Reply
 

 
# huh?Vanaheimx 2008-06-18 11:26
Where's your source for that load of bullcrap?



If this board was sony-regulated, I'm pretty sure they wouldn't host an assortment of hoebrew and CFW for download.

Reply
 

 
# hahaNDWolfwood 2008-06-18 11:31
no offence dude, but there's no way that sony controls this board. i mean, you can download LOADS of homebrew and downgrading stuff here.



yeah, sony's gonna fail at one point in time. then DAX will be more famous than sony (hopefully :3 )

Reply
 

 
# sry for the multi-postingNDWolfwood 2008-06-18 11:37
i read on sony's forum, that version 4.00 is having problems with the names of the videos on it. (i know its not a big deal but, from what i've heard its an annoyance.



hopefully GEN will fix this

Reply
 

 
# oydigicron 2008-06-18 11:42
from Alek' Blog (http://sceners.org/)



" Last two ofw (3.93 and 3.95) won't be modified to M33 versions. End of discussion. If you updated to that version, you CAN downgrade to M33 3.90 version using last version of Despertar del Cementerio, you can find a tutorial on this same site or the PSPWiki. If you don't know either how to do and keep insulting, i'd personally look for who is under that ip. Further comments asking or insulting for no making more M33 versions, will be (as now) ipbanned on all the hosts, this means, you won't be able to resolve dax.org, for example.



Yes, 4.00 will be next step. Dunno when it will be released the original one, but that won't be like .93 and .95. "



this was posted pre 4.00 being released. you fanboi's need to settle down a bit. let the dev's do there work. and in terms of Sony Failing, well thats a comment straight out of someone's a$$, sony will never fail, in terms of bringing what they have promised to the PSP they have succedded HUGE.

Reply
 

 
# ..digicron 2008-06-18 11:44
im sure sony will release a 4.01 if this really is an issue.

Reply
 

 
# lolNDWolfwood 2008-06-18 11:45
i just dissed sony on their own forum!



(sry i didn't take my meds today. my parents put them sumwhere, and now i can't find them =(.

Reply
 

 
# ..digicron 2008-06-18 11:47
you want a cookie? mabey a gold star? do yourself and the scene a favour by keeping your comments to yourself. no one cares...

Reply
 

 
# digicronNDWolfwood 2008-06-18 11:54
dude what got shoved up ur ass today?



do you know how "meds" effect ppl? some ppl (like me) say weird things with out thinking when they don't take their meds.



go do everyone a favor and stop being an ass to ppl who have problems when they don't take their meds.



i'm sure that you have no friends and i can see why.

go do something useful besides bltching at other ppl.



by the way, i have a cookie. chocolate chip :3 its in the kitchen. =P

Reply
 

 
# ..digicron 2008-06-18 12:01
seriously, your the one making a scene by talking about "dissing sony" on there own forums etc etc. and by making a point of telling the world that you didnt take your meds. seems to me like your the one striving for attention. i dont really care if im an ass, its nooblets like you who ruin QJ for the actual sceners. im only posting this in an attempt to make you realize how much of an ass you have made yourself look like.

Reply
 

 
# -.- wowNDWolfwood 2008-06-18 12:10
w/e your just upset becuz you have no life and everyone treats you like crap. stop making others feel bad just becuz ur life is shlt.



i'm just trying to have some fun. you don't have to butt into others conversations. i admit it, i can't really think clear w/out taking my meds. so your the ass for being an ass to ppl when they can't help it.\



i bet u've heard of ADD, ADHD, Bipoler, ect.



thats like calling a retard retarded. you just don't do it. its not right. so you shouldn't do this to me just becuz i have some problems. now plz be a good person and don't be like that.

like i said b4. what your doing is like calling a retarded guy "a retard". you have no manners. grow up and stop being a dlck.



cuz your makin me feel bad.



(remember, its like calling a retarded guy "a retard". its not right. remember that, and you will survive in life.)

Reply
 

 
# blahBinary 2008-06-18 12:42
everybody here is full of *****.



Dark_AleX did not leave!!! ok? He says that newer firmwares is nothing.



Sony is not watching, if they do what will they do? not a thing but to change their prx's like they did now.

Reply
 

 
# No oneAdvertising 2008-06-18 12:49
No one called you anything. You were the one mentioning all that irrelevant and unnecessary information.



Now STFU!!!

Reply
 

 
# hmm...Foolmonkey 2008-06-18 12:54
how did they dump it?

Reply
 

 
# NDWolfwoodxlemuelx 2008-06-18 12:58
Most of the time, people who scold others saying they have no friends, have no friends themselves. fyi from what i read in an article about hostility on the www

Reply
 

 
# Cool!sage3k 2008-06-18 13:22
I'll still wait for Dax.. good 2 know though!

Reply
 

 
# Same way they dump every other updateurherenow 2008-06-18 14:03
Download the thing http://du01.psp.update.playstation.org/update/psp/image/us/2008_0618_bf8d5081adc08457debe062270646c45/EBOOT.PBP



then run a slightly tweaked prxdecryptor. apparantly the encryption keys didn't change from 3.95... which they already dumped and decrypted.

Reply
 

 
# Hey.Vanaheimx 2008-06-18 14:06
Leave the guy alone, I mean he doesn't even have his meds.

Reply
 

 
# Link was too longurherenow 2008-06-18 14:06
http://tinyurl.com/5qn84a for the direct download

Reply
 

 
# .Binary 2008-06-18 14:53
and they test it with battery hack.

Reply
 

 
# @Vanaheimxmajorbb100 2008-06-18 15:07
i think he meant the sony boards. I remember reading an article on this site saying that any talk of cfw or homebrew on the sony forums would be deleted.

Reply
 

 
# @Vanaheimxmajorbb100 2008-06-18 15:10
haha the kid probably has down syndrome.

Reply
 

 
# @NDWolfwoodmajorbb100 2008-06-18 15:12
it sounds like you are retarded. haha what are your meds, Xanex and Acid?

Reply
 

 
# yeah rightBinary 2008-06-18 15:28
too long? who cares if its long





I wouldn't click it if I was yall

Reply
 

 
# ?Foolmonkey 2008-06-18 15:29
i mean how can iiii dump it? i guess i'll wait for a new psar dumper

Reply
 

 
# ..Binary 2008-06-18 15:30
blah better wait for something better.

Reply
 

 
# Hmm...sicksider 2008-06-18 16:45
Although this FW has less new feature,but it has something not right about this FW.



Also I think GEN and M33 is getting new research on this..cause since Sony has changed the files in FLASH0.

CFW will soon release cause nothing is impossible.

Reply
 

 
# LOLNathanias 2008-06-18 16:51
I was at teh forums as well, 3 whole pages of talk deleted for CFW talk

Reply
 

 
# Referred from Wikipediasicksider 2008-06-18 16:56
This is what read from wiki,



4.00 M33



Official firmware 4.00 was released. On the Dark-Alex website, it is stated that version 4.00 M33 will be releases soon in the middle of June.





Hmm...Middle of June?Really?

Reply
 

 
# ??urherenow 2008-06-18 17:14
why not? When 4.00 m33 gets released you'll have to download it anyway.

Reply
 

 
# I'm about...EricDraven 2008-06-18 18:47
to ask what maybe a noob q...



Is it possible to shuttle back and forth between versions of GEN's and M33's fw?

Reply
 

 
# ...Silver-Tiger 2008-06-18 18:55
you seriously need some help with your eyes. I replied to NDWolfwood, so I meant the us playstation boards, OF COURSE I DON'T MEAN qj.net!

Reply
 

 
# What?FreePlay 2008-06-18 19:10
4.00 is a major release NUMBER, but as a release it's very very minor. Google and variable video playback speed? No, thanks.

Reply
 

 
# .FreePlay 2008-06-18 19:12
"The message you are trying to access has been deleted. Please update your bookmarks. "

Reply
 

 
# LiesFreePlay 2008-06-18 19:16
The link they provide as evidence doesn't even mention the word June, so yeah. Lies.

Reply
 

 
# 4.00 was the wrong number to useSythun 2008-06-18 19:58
they should have just named it the 3.95 firmware because there isn't any major things...

Reply
 

 
# woopsSythun 2008-06-18 20:01
theres already a 3.95, i mean 3.97

Reply
 

 
# Lulz.JaXeRiR 2008-06-18 21:37
"The team that brought us Custom Firmware 3.95 GEN was able to look into the resource directory of Firmware 4.0's flash0 resource directory, revealing a bunch of PRXs that have been changed."



The funny thing is that there are no PRX files in the resource directory, only RCOs. :) I think you mean the module folder?

Reply
 

 
# ...JaXeRiR 2008-06-18 21:39
I don't think they just randomly decide the numbers. They just thought that variable play speed and google search were worth the 0.05. Or should I say 0.04, because 3.96 was the previous firmware...

Reply
 

 
# Sure!urherenow 2008-06-19 03:54
If you use the time machine method, I suppose you can. Also, using Pandora+DC you can always downgrade then upgrade again as many times as you want.

Reply
 

 
# 4.00 M33misfitsman805 2008-06-19 10:27
Right off of the Wiki Site!



"It has been confirmed that there will be no 3.93 M33 or 3.95 M33, but a 4.00 M33 will be made."



http://en.wikipedia.org/wiki/PlayStation_Portable_homebrew#4.00_M33

Reply
 

 
# Not quiteFreePlay 2008-06-19 14:37
Since 3.00, the numbers have been based on the SDK version, rather than being an indicator of features.

Reply
 

 
# ...FreePlay 2008-06-19 14:43
This was before they knew what was in 4.00. They assumed there would be worthwhile features.



That was added by fanboys, kids.

Reply
 

 
# now there's an enlightened answer...EricDraven 2008-06-19 16:14
i've always updated mainly on one branch (M33) and have never downgraded either, that's why i asked the q.



thanks man, for being accommodating and at least caring enough to make a proper reply instead of blindly dismissing my query. did you notice we both got dissed? lol

Reply
 

 
# my 2 centsPSP BOOM 2008-06-19 17:56
yo i can see that the next cfw will have very little but (i dont even know this for sure so correct me if im wrong) y dont psp programmers like team m33 with DAX and/or GEN figure out a way to put there own prxs and features into the future 4.00m33 and put it back to the next best thing i no it will be difficult as crap but the end product will be well worth the w8 and time spent or so i believe. maybe not for the renowned programmers because the amount of work makes me kinda wish i could help but im a noob at programming : P

Reply
 

 
# medsjwydell 2008-06-20 11:14
quit having a pity party

Reply
 

 
# hahamajorbb100 2008-06-20 13:40
no.

Reply
 

 
# majorbb100UltimaXX 2008-06-21 08:24
Ahahah... No. Not something to joke about. Really.

Reply
 

 
# ErmUltimaXX 2008-06-21 08:27
NDWolfwood, sounds like you're the one being bullied... In all seriousness, you should try telling a few people to f*** off in real life. Yup, that's serious advice. Just tell people to f*** off. No really, do it. It feels good. Especially when it's just the one person. If you can break their nose like I did, that's an added bonus. Course then you gotta deal with phonecalls home and temporary exclusions... But who cares. Tis worth it.

Reply
 

 
# 4.00 m33palmae 2008-06-22 05:10
para cuando estara

Reply
 

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