PS3 Jailbreak here you can download CFW Jailbreak of the Latest 4.31, 4.30, 4.25 and 4.21 Firmware!
You can also find How To Jailbreak your Playstation 3 with 4.31, 4.30, 4,25 and 4.21 Firmware.
Steps and Instructions:
1- Download the PS3 CFW Jailbreak of the Latest 4.31 Firmware
2- Now Copy the PS3UPDAT.PUP file that is downloaded on your desktop and Make New Folder in USB (FlashDrive).
3- Paste the files into PS3 Folder.Connect this USB Stick to PS3.
4- Now Upgrade your firmware version to 4.31-CFW (Using FashDrive).