yeah i guess they done this because there source code was released or maybe this was ment to be released... well any way here it is :

CUSTOM FIRMWARE 3.40* LE (Leaked Edition) - Team Wildc*rd
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This is the initial release of our custom firmware. Wee completely reverse-engineered 3.10 OE, updated all the tweaks for version 3.40, and added our own sexy patches.

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3.40*'s features:
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* Everything you know and love from 3.40 OE-A
* Sexy new SCEP-style recovery menu
* In-XMB configuration menu
* Auto-detection of the kernel needed for homebrew - no need for GAME150 and GAME340; just put it all in GAME

Screenshot of the in-XMB config:
(its coming..)

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Installation Guide
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Check the readme

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Notes
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The new DATA.DXAR file will be placed in the root of your memory stick; feel free to delete it or save it for later once you've installed.

None of the installer files need to stay on your memory stick once 3.40* is installed. You can delete them all.

To view the recovery menu/config menu in the XMB, press R + SELECT

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Team Wildc*rd's Shout-outs
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* Thanks to Mathieulh and Dark_AleX before all others! They inspired us with their awesome releases. Without them this wouldn't have happened.
* Greetz to poison for making SCEP open-source
* Greetz to eXonet and Malloc.us
* Greetz to Noobz. You continue to be most excellent.
* Greetz to Skylark, adrahil, and our benevolent testers.
* Greetz to maxconsole, qj, and any other website that supports us!

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Team Wildc*rd's Two Minute Hate
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* Greetz to the leaking fags (you know who you are) for being as unoriginal as ever!

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[..(\(*'O')/).\ --< the cat is out of the bag! >
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P.S. Thanks to all the doubters in our other release thread here, especially those who called us a bunch of hex editors. It's truly appreciated...

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- Team Wildcard
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P.P.S: Wee were also working on a 3.52 custom firmware with even more features which luckily was not leaked. But after recent events, wee can no longer be sure if it will ever see the light of day.

Source: Maxconsole.net