PS3Xploit Team -[ Making The PS3 Great Again!!! ]-
Install Sony PS3 4.75 Downgrade - video Dailymotion
How to Jailbreak a PS3 (with Pictures) - wikiHow
PS3: Official Rebug 4.82.2 Lite with COBRA 7.55 released!! - Hackinformer
Rebug 4.80.1 with Cobra 7.3 PS3 CFW and Toolbox 2.02.10 | PSXHAX - PSXHACKS
PlayStation 3 News: Rebug 4.86.1 LITE released and PS3HEN updated with FW 4.86 support - Great stuff for both CFW and noCFW users on the latest firmware! - Wololo.net