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
CECH-2001A PS3 slim custom firmware installation with Teensy - William Quade
PS3 downgrade to 3.55ofw service, Parkes
ps3 on unknown 3.55 cfw, want to upgrade hdd size | GBAtemp.net - The Independent Video Game Community
How To] Install 4.76.1 Rebug CFW from 3.55 OFW (Or Any CFW) PS3 Tutorial - YouTube
I want to see this info on my 3.55 cfw PS3. How the hell do I do it? Please, the point of this is I don't want to update from 3.55, I
Updating Rogero 3.55 to latest CFW? | GBAtemp.net - The Independent Video Game Community
How to Downgrade a PS3 to 3.55 with E3 Flasher (EASY!) - YouTube
Ep.2 - PS3 Jailbreak: How To Update 3.55 OFW/CFW To REBUG 4.78.1 REX - YouTube