How to install 4.81 CFW from 3.55 OFW on your PS3! - YouTube
PS3 gets Firmware 3.55, adds nothing | VG247
SANY ilaya - UPDATE!!! PS3 4.50 OFW DOWNGRADE (hardware flasher method)/UNBRICK SERVICE for BRICKED PS3 due to FAILED firmware updates (see guide below) JAILBREAK: -Software: for firmwares 3.55 below (slim and phat) -
Sony PlayStation 3 60 GB Console CECHC03 Firmware 3.55 (FW 3.55) PS3 SACD Great. | eBay
Sony PlayStation 3 60 GB Console CECHC03 Firmware 3.55 (FW 3.55) PS3 SACD Great. | eBay
Sony PlayStation 3 60 GB Black Console CECHC03 Firmware 3.55 (FW 3.55) PS3 SACD | eBay
Ep.1 - How To Jailbreak Your PS3 3.55 OFW Step By Step Guide - YouTube