How To - Downgrade The PS3 CFW From 4.82 To 3.55 OFW Step By Step - YouTube
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How To Downgrade the Fat PS3 from 4.66 to 3.55 Firmware Using E3 Flasher Tutorial | Welcome to the Underground.
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) -
PS3 firmware 3.55 'adds a security patch' | Engadget
Geohot releases PS3 jailbreak for firmware 3.55, world ceases to have any meaning | Engadget
How to install PlayStation 3 custom firmware, run homebrew - AfterDawn
Sony PlayStation 3 60 GB Console CECHC03 Firmware 3.55 (FW 3.55) PS3 SACD Great. 711719699750 | eBay
Sony PlayStation 3 PS3 Slim 160GB Console PS3 3.55 (CECH-2503A PS3 Firmware 3.55 | eBay
How to Downgrade a PS3 to 3.55 with E3 Flasher (EASY!) - YouTube
[How To] Upgrade The PS3 to Custom Firmware (CFW) From 3.55 Offical Firmware (OFW) - YouTube
Sony PlayStation 3 PS3 Slim 160GB Console PS3 3.55 (CECH-2503A PS3 Firmware 3.55 | eBay
Sony PlayStation 3 60GB CECHA01 PS3 SACD 3.55 OFW Delid for Sale in Buena Park, CA - OfferUp