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
PS3 4.60 Downgrade to 3.55 Official Release [Free Download] by MikeLitoris - Issuu
What's Happen When You Try Downgrading A PS3 To 3.55 OFW? - YouTube
PS3 OFW 3.55 / 500gb HDD / CECH 2004A in Nordrhein-Westfalen - Bad Salzuflen | Playstation Konsole gebraucht kaufen | eBay Kleinanzeigen ist jetzt Kleinanzeigen
Ep.2 - PS3 Jailbreak: How To Update 3.55 OFW/CFW To REBUG 4.78.1 REX - YouTube