How To Downgrade PS3 4 81 To 3 55 and Install 4 80 CFW Step by Step - YouTube
PS3 CFW on Latest OFW 4.82 Guide by Zer0xFF | PSXHAX - PSXHACKS
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How To - Downgrade The PS3 CFW From 4.82 To 3.55 OFW Step By Step - YouTube
PS3 - PS3 CECH-2504B Flashing 4.82 to 3.55 | PSX-Place
I purchased a PS3 backward compatible from ebay for a good price and I'm impressed how clean it is. However... It's still on firmware 2.50. Should I update the firmware? : r/PS3
Some kind soul was giving this PS3 and controller away for free online recently, never been much of a gamer but excited to see what all the fuss is about! : r/PS3
PS3 xploid work version 4.81- 4.82 and 4.82 CFW NAND/NOR Downgrade by Sc0rtd3w release !!!!!!!!!!!! - YouTube
Downgradable PS3 Models - Wololo.net
What will happen if I update an already jailbroken PS3 to a 4.82 version? - Quora
How to Downgrade PS3 Slim to 3.55 using the E3 Flasher (The Easy Way) - YouTube