http://jailbreaktheps3.weebly.com/
There are ways where you can learn how to jailbreak PS3 4.00, although these devices will ensure that the PS3 firmware is 3.41 or lower as the version 3.42 patches the flaw on the PS device, but we are looking to learn how to jailbreak PS3 4.00 the most current version nowadays on the firmware 4.00. Now let me show you how to Jailbreak PS3 3.72 and how can it be used to: Update procedure Notice Do not turn off the PS3™ system or remove the storage media or USB device during an update. If an update is cancelled before completion, the system software may become damaged, and the system may require servicing or exchange. During an update, the power button on the system front and PS button of the controller are inactive.
