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August 31, 2011 // 2:49 pm - Following up on the initial news, today the E3 Team have made available a video of their E3 Flasher downgrading a PS3 Slim 3.70 Firmware console to version 3.55 without any soldering required.

To quote: E3DIY team announces a successful Slim Downgrade v3.70 to v3.55 with our new E3 FLASHER!

In only FIVE minutes, the whole downgrade progress was completed!

Time is short and operation is very easy, this is because of our exclusive special E3 FLASHER design:

  • ONE-Button Operation and NOR Flash onboard!
  • E3 FLASHER compatible all NAND FLASH and NOR FLASH consoles
  • With SLIM Consoles, no need for any soldering!
  • But with PHAT Consoles, some soldering will be needed!

In this video there no images of the E3 FLASHER as we need to keep our design under wraps until it is ready for release, I hope everyone understands.

The official version should be released next week, at that time there will be more videos and pictures and everything will be available to the public.

Also below is an E3 Flasher PS3 Dual Boot 3.70 to 3.55 Firmware video and details via e-mail:

E3 FLASHER - Dual Boot (3.70 to 3.55)

  • E3DIY team success dual boot with E3 FLASHER, you can switch 3.7 and 3.55 in few only a few seconds!
  • Easy with 1 key operation.
  • E3 company will release all details like picture, installation, operation and price next week.
  • Team E3DIY get another great progress for PS3 with E3 FLASHER, it will release at the same time next week.

PS: 4times switch showes same MAC address, to prove it is the same console.

Finally, from damox, to quote on PS3 3.70 to 3.55 Firmware downgrading via Dospiedra's downgrade v2 patches:

This post will look at the different DATE-CODES that are present on the casing of a PS3 and if that DATE-CODE relates to a console version that can currently be downgraded from 3.70 to 3.55 using dospiedra’s V2 downgrade or a FAT console alternative.


The principle behind DATE-CODES is simple: the first character represent the YEAR, and the second character represents the QUARTER of that year it that console was manufactured.

DATE-CODE of “XY” would mean the console was manufactured in the “Y” QUARTER of YEAR “X”. Simple right?

6A - Downgradable (Never Produced?)
6B - Downgradable (Never Produced?)
6C - Downgradable (Never Produced?)
6D - Downgradable
7A - Downgradable
7B - Downgradable
7C - Downgradable
7D - Downgradable
8A - Downgradable
8B - Downgradable
8C - Downgradable
8D - Downgradable
9A - Downgradable
9B - Downgradable
9C - Downgradable (Slim Introduction?)
9D - Downgradable
0A - Downgradable
0B - Downgradable
0C - Downgradable
0D - Downgradable
1A - Downgradable (Factory Firmware 3.55 and lower only!)
1B - NOT Downgradable
1C - NOT Downgradable (Not out yet?)
1D - NOT Downgradable (Not out yet?)

The Date code can be found in the following locations (depending on your console type):

PS3 FAT: Sticker on the back.
PS3 Slim (CECH2 Series): Sticker on the bottom.
PS3 Slim (CECH3 Series): Sticker on the back.

UPDATE 1: I have been told that only consoles that come with firmware 3.55 and lower from factory are the only consoles that the downgrade should be attempted with.

Video: E3 Flasher PS3 Slim 3.70 Downgrade to 3.55 Firmware

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#692 - T3KN0GH057 - July 16, 2014 // 7:35 am
T3KN0GH057's Avatar
I'm new to the whole playstation modding scene. I just downgraded my PS3 to 3.55, and now I'm just completely confused. I've been reading through info on custom firmwares and modded firmwares for a few days and it's only served to leave me even more confused.

Firstly let me explain my setup as it is, and then explain my goals.

Mod: E3 Dual-Boot Mod
PS3 Firmware: 3.55 OFW
E3 NOR Firmware: 3.55 OFW
PS3 HDD: 160GB

Mod: E3 Dual-Boot Mod
PS3 Firmware: X.XX O/C/MFW (Access to PSN)
E3 NOR Firmware: X.XX C/MFW (whichever suits my intent better)
PS3 HDD: PSN Downloaded Games
E3 HDD: Copy all my disc Games. Plus some kind of video player that supports subtitles and Samba (Windows File Sharing- PS3's media server options are very disappointing)

Question 1: What's the best CFW or MFW to flash to the E3 given my intent
Question 2: Once a C/MFW is Flashed what's the next step towards my goal
Question 3: I intend only to use the PS3 flashed Firmware to go online is there a safe custom or modified firmware capable of this or will i have to move to the latest OFW
Question 4: Best Backup Manager to use (given that all backups will be run from the E3 Firmware Harddrive)
Question 5: Is Showtime the only Media Center option?

thanks in advance!

#691 - PS4 News - June 24, 2014 // 1:53 am
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Here is a brief update from the E3 Team on PS3 Firmware 4.60, as follows:


The E3TEAM verification, the latest firmware 4.60 increases the new verification mechanism on 3K console. E3TEAM are looking for solutions, the E3 ODE PRO user on 3k console temporarily don't upgrade firmware 4.60.

#690 - suquip - June 23, 2014 // 5:51 am
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Disney Universe PS3 dualshock not detected. I can not find the update, I guess that's just the patch.

then only with the patch command already works

#689 - AKmania - June 2, 2014 // 11:50 am
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i think progskeet is better because i already use it for almost a year, only once have cause a problem because my own mistake.

#688 - Naizian - May 28, 2014 // 5:38 pm
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I have a CECHA01 and a CECHL01. Which one is preferred by fellow modders to mod. Then, which is a better mod, E3, or ProgSKEET? I've read a lot on each one, and I'm not sure which way I want to go. Just looking for opinions to what others prefer and or done.

#687 - windrider42 - May 17, 2014 // 10:56 pm
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You can find it here.

#686 - javitury - May 16, 2014 // 7:51 am
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Does the E3 ODE PRO also work with 2XXX and 21XX models? It says so in their web page but there is no manual for these models.

#685 - PS4 News - May 1, 2014 // 5:41 am
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E3 OS 2.12 is now released with details below, as follows:


Download: E3 OS 2.12.rar / E3 PKG INSTALLER / E3 ODE PRO official proposal installation on 4k.rar

E3 OS 2.12 release, add the following functions:

1: Increase the folder format than 4G file support. To further improve the folder format game support.

2: Adding a special format keys file support, users only need to copy the keys.db file to the hard disk root directory.

At the same time, the one key install unofficial PKG software v1.2 released, user press joypad Square to install multiple unofficial PKG file.

Also released an official proposal E3 ODE PRO motherboard installation. This way you can effectively avoid the motherboard deformation caused by improper installation, thereby damaging the E3 ODE PRO motherboard drawbacks.

E3TEAM still make every effort to study better ways to bypass 4K 4.55. We have invested enormous human and material resources, and hope that we have the luck to get what we need.


Adding the installation video on 4K console. It is official proposal E3 ODE PRO motherboard installation. It can effectively avoid the motherboard deformation caused by improper installation , thereby damaging the E3 ODE PRO motherboard drawbacks.


#684 - AKmania - April 10, 2014 // 2:44 pm
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Is there any one know how to installed e3 ode without using the dongle?

Because the dongle is too easy too damage.

#683 - buckchow - March 10, 2014 // 9:45 pm
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Well, out of the four PSP FW versions I tried already, the only one that wouldn't even start PS3Jig and just gave me a black screen instead was 6.20. All of the others started the program normally.

After my last post, I was able to briefly test both the fat PSP running PSPJig and the E3 card reader on another PS3 that boots normally. The E3 turned blue and successfully put the console into factory mode. After trying two different USB drives, I was able to get the system back out of factory mode.

When I ran PSPJig to put the PS3 into factory mode again, the challenge-response sequence appeared on the PSP screen, but the PS3 wouldn't go back into factory mode even after several attempts. I didn't get a chance to try the E3 again yet, I assumed it would work.

Back on the PS3 with the five double-beeps, I tried the E3 card reader again and it still didn't work. I also put in the USB drive with the "get out of factory mode" program that worked in the normal system in case the broken one was already in factory mode from the previous owner, but the drive never powered up before the beeping began so it made no difference.

Scouring around every forum post I can find, there are quite a few other people who have run into the same problem over the years, but there hasn't ever been an explanation and the only suggested solution is flashing. Hopefully someone has unraveled this mystery by now though and they'll wander into this thread.