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September 22, 2010 // 5:49 pm - A few days ago Spanish PS3 developer JaicraB released PS3 USB Custom Firmware Loader v0.2, and today he updated it to version 0.3.

Download: PS3 USB Custom Firmware Loader v0.3

To quote from his site (linked above), roughly translated:

Here I bring the new version.


• Code optimization.
• Fixed USB port allocation.
• Fixed black screen.


• Only have a USB MASS STORAGE USB connected to load FIRM LOADER.
• UPDATE NO FIRM while in USB mode LOADER.

Thanks for reporting bugs!

PS3 USB Custom Firmware Loader v0.3 Released by JaicraB!

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#56 - PSPSwampy - September 24, 2010 // 7:27 am
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Quote Originally Posted by ChaseHammer View Post
copied fresh dev_flash, dev_flash2, and dev_flash3 to the cruzer

Well there's the problem. you need to copy the CONTENTS of dev_flash to your USB drive, not the folder.

Your USB should look like this (where X: is your usb drive):-

(NOT X:\dev_flash\bdplayer .... etc)

#55 - BwE - September 24, 2010 // 3:40 am
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man people - just try fat32 external drives. i had the same issue as everybody it was simply the usb and the fact my dev flash wasnt copied with winscp

ALSO its not


its just straight to the usb so all the folders are on the root.

#54 - ChaseHammer - September 24, 2010 // 2:39 am
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well i went out and got a SanDisk Cruzer 1gb USB Key (formated in FAT), i downloaded WinSCP FTP and copied fresh dev_flash, dev_flash2, and dev_flash3 to the cruzer. still freezes on black screen. tried with and without JB (running latest Hermes PSGroove hex) plugged in on Firm Loader run, same result. So i have no more ideas.. maybe my At90usb1286/USB Firm Loader/PS3 doesnt like me?

#53 - PSPSwampy - September 23, 2010 // 8:33 pm
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Just thought i'd post to say that this worked great 1st time for me... My installation route (not a real guide like i used to do, but thought it might help some people)...

My Minimus AVR Usb (AT90USB162 chipset) arrived this morning.

1. I installed FLIP 3.4.2 + downloaded the x64 drivers

2. I flashed "psgroove_1.1_Teensy_1.0.hex" from the "" (Link see Evilsperms all pack) - includes peek&poke! (which is REQUIRED for Jaicrabs loader to work!)

3. I checked JB worked - it did, so installed CJPC's FTP server & Jaicrab's 0.3 firmware loader

4. I started up FTP server on the PS3 and hit START (seems some people miss this bit!)

5. I started up Filezilla and setup a new connection to my ps3's ip address, set the transfer mode to Active and only 1 connection (as per instructions)

6. Connected to PS3, downloaded all of (dev_flash, dev_flash2 & dev_flash3)

7. Plugged my VERY cheap usb drive into PC and put the CONTENTS of dev_flash on the root of the drive (as per instructions)

8. Plugged USB back into PS3, ran Jaicrab's loader and hey presto USB drive light flashing boot back to XMB (FYI no USB listed anymore)

9. Move around XMB and notice that occasionally the USB will flash when it has to re-cache icons.

Seems to work really well - will be customising the usb firmware a bit later, just thought i'd post this along with a big THANK-YOU to CJPC and Jaicrab

I should point out that this is the first JB device i've had, first time i've tried flashing it, first time i've used it etc. Amazing what reading a few forum posts and the instructions can do for you eh!

Been feeling left out, glad Minimus was in stock when nothing else was!

#52 - Bulldogzz - September 23, 2010 // 7:02 pm
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In regards to the update file, you have also modified the files that don't seem to do much yes? IE. version.txt

#51 - hunterrr - September 23, 2010 // 6:34 pm
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Quote Originally Posted by tjay17 View Post
Is there a cfw or is this a way to load one in the future?

Not a custom firmware, just a way to load them

#50 - tjay17 - September 23, 2010 // 6:33 pm
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Is there a cfw or is this a way to load one in the future?

#49 - laggmaster - September 23, 2010 // 6:25 pm
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at this time it is imposible to go online without 3.50 (haven't checked the update bypass method from 3.42 but it dosen't matter jailbreak dosen't work on it) it may be possible one day but with CFW it is more likely that you will see hacked ps3s playing on blackcell networks with other hacked ps3s probably not online with the rest of the sony zombie boxes out there...

#48 - Perzian - September 23, 2010 // 6:13 pm
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Can i go online with my original discs with the cfw? I'm still on 3.41, but i wanna play some Street fighter online.

#47 - hunterrr - September 23, 2010 // 5:06 pm
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I have been messing with the SPRX and SELF files and i lauched the "swreset.self" i was curious on what this was and when i launched it my PS3 froze so i restarted (i always try to sign in dont ask why).

i signed in it asked me to update and i hit OK just because i wanted to see what this swreset.self file has done and it said "The latest software version is already installed" so i tried to sign in again and it told me i need to update again, AND AGAIN.

i hit OK it says the same thing "Latest version is installed" anyways does anyone here no which plugin checks your sw version?