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Infectus Modchip Forum > English > Technical Support - English > It's weird, PS3 save somewhere the actual FW version and doesn't allow downgrade
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Author Topic: It's weird, PS3 save somewhere the actual FW version and doesn't allow downgrade  (Read 744 times)
NDT
Full Member

Posts: 101
« on: May 29, 2008, 09:18:59 pm »
Ok, my test continued, i can now clearly admin that PS3 save somehow the FW version that's installed and doesn't allow a downgraded firmware.

I got cold dumps from firmware versions 2.30 (i got 4 different dumps at different days to be sure) and i did the same for 2.35

I tryed to flash back 2.30 and the console turns on, read from HDD and then suddenly turns OFF with the red light blinking, when i flash 2.35 firmware it begin to works correctly.

I repeated this test on another console too and the result is the same.

I removed the HDD, the BD-ROM, the battery and the result is still the same (without these accessories and fw 2.35 console boots!).

So i can now state that the console write the latest firmware somewhere ...but i still don't know where
« Last Edit: May 29, 2008, 09:20:30 pm by NDT » Logged
Takeshi
Newbie

Posts: 26
« Reply #1 on: May 29, 2008, 11:01:51 pm »
E-Fuse again? (like xb360)
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NDT
Full Member

Posts: 101
« Reply #2 on: May 29, 2008, 11:06:23 pm »
Hmm please explain me better, i never checked a xbox 360!

Thanks.

UPDATE:
I just searched internet, it's a fucking bad thing! And i noticed it's an IBM technology, so most probably is in the PS3 too
Every time the console change the firmware a fuse is burnt, fuses is the key to crypt the firmware in the nands, so if u restore an old one you need the old key too, but fuses changes so you're fucked

Damn ...it's weird!
« Last Edit: May 29, 2008, 11:34:59 pm by NDT » Logged
wiggim
Jr. Member

Posts: 52
« Reply #3 on: June 01, 2008, 04:25:17 am »
What causes the fuses to be burnt now is the question? With Xbox it was determined, from the hacker who found the exploit in the kernel, to remove a resistor to prevent fuse blowing. I think it was 6R3 or something - don't matter. Likely the same setup is done on the PS3..
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hokker
Newbie

Posts: 1
« Reply #4 on: June 01, 2008, 11:11:30 pm »
Hello,

does this mean the infectus chips are useless for ps3 owners atm?

I got my infectus this week, and I wanted to open my virgin EUR 1.5 PS3 to sold the chip in when I read your post NDT.
Is there a list of succesfull downgrades done with infectus?
Is there a confirmed failed downgrade with infectus yet?

thank you.
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dkp0h
Newbie

Posts: 29
« Reply #5 on: June 02, 2008, 11:12:06 am »
Wowww it's really uncool !!!

I was very surprised to see that i failed to flash my ps3 with my 1.51 FIRMWARE...
I dumped 1.51 a long time ago and before i try to downgrade i was on 2.35 and now i fail to flash on 1.51...

NAND0 seems to be OK on 1.51, the file compare is OK after flashing but i can't flash correctly my NAND1 (Core-OS)....

If we really have this behaviour...my ps3 will sleep a long time because i don't have a clean 2.35 Firmware.....ArrrrFFFFFF

SeeYa

d!K
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ZeoNix
Newbie

Posts: 48
« Reply #6 on: June 02, 2008, 05:57:43 pm »
This must be something new with the latest firmwares because infectus has a video showing a ps3 being downgraded, and other ps3 owners claimed to downgrade their ps3's.I wonder what version firmware started blowing fuses (if it is a fuse).Is it 2.30+ or lower?
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luisf_lf
Newbie

Posts: 11


I'm cool boy
« Reply #7 on: June 02, 2008, 06:40:36 pm »
NDT I eat teel me to make downgrade mine ps3 that he has firmware 2.20…. ps3 60gb the PAL + infectus actel 125 I have ones dumps of firmware 2,20 has some program to make downgrade without dumps? aid me to make downgrade for 1.32 please to be able to install the 1,60 debug!
Logged
I have infectus 2 Actel 0125 on my ps3 60gb pal...2.20 dumps...
NDT
Full Member

Posts: 101
« Reply #8 on: June 02, 2008, 07:11:02 pm »
Quote from: ZeoNix on June 02, 2008, 05:57:43 pm
I wonder what version firmware started blowing fuses (if it is a fuse).Is it 2.30+ or lower?

I guess they patched the process from 2.17 fw version included
Logged
luisf_lf
Newbie

Posts: 11


I'm cool boy
« Reply #9 on: June 02, 2008, 08:04:44 pm »
mine ps3 has firmware 2,20 more infectus says me as I can make downgrade for version 1.32 help please You had not made a program to make downgrade without having dumps old? you order me?
Logged
I have infectus 2 Actel 0125 on my ps3 60gb pal...2.20 dumps...
NDT
Full Member

Posts: 101
« Reply #10 on: June 02, 2008, 08:22:50 pm »
That tool is for fw 2.10 or lower...
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luisf_lf
Newbie

Posts: 11


I'm cool boy
« Reply #11 on: June 02, 2008, 08:30:16 pm »
Quote from: NDT on June 02, 2008, 08:22:50 pm
That tool is for fw 2.10 or lower...


then not ha way to make downgrade without dumps old in version 2.20?

And in the 2,15 debug already of the one to make downgrade for 1.32 or 1.50?
Logged
I have infectus 2 Actel 0125 on my ps3 60gb pal...2.20 dumps...
dkp0h
Newbie

Posts: 29
« Reply #12 on: June 11, 2008, 11:19:58 am »
Unfortunatly, i'm not able to restore my 2.35 FW even if the flashing step is OK !!

My PS3 is GREEN when it power-on but nothing on screen so i don't know where the problem is...we are investigating but for the moment, i have a "bricked" PS3...but i can't consider my ps3 like a BRICK because she's on GREEN state...

I hope that we'll find a way to restore my last firmware...zouzzz have the same problem as me....

Wait&See

SeeYa

d!K
Logged
NDT
Full Member

Posts: 101
« Reply #13 on: June 11, 2008, 10:33:42 pm »
I'l help you, i really hope you mounted the infectus in the right way!
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zouzzz
Jr. Member

Posts: 56
« Reply #14 on: June 12, 2008, 05:55:26 am »
Hi
Quote from: dkp0h on June 11, 2008, 11:19:58 am
I hope that we'll find a way to restore my last firmware...zouzzz have the same problem as me....
Not exactly, mine is a 2.30 version not a 2.35.




How to know if the dumps are corrompts or not?
Thanks.
« Last Edit: June 12, 2008, 11:54:43 am by zouzzz » Logged
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