OLD] How to Jailbreak Your PS3 on Firmware 4.85 or Lower! - YouTube
How to Jailbreak Your PS3 on Firmware 4.90 or Lower with PS3 Toolset! - YouTube
Makati, PS3 jailbreak, XBOX 360 JTAG, RGH and RGH2 services - All ps3 models are now jailbreakable details: for cech model 20xxx, 21xxx and 25xxx cfw jailbreak for cech3xxx and cech 4xxx