How To Downgrade Your CFW PS3 To A Lower Custom Firmware! [EASY WORKS WITH ANY KIND OF A CFW] - YouTube
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
Downgradable PS3 Models - Wololo.net
Downgradable PS3 Models - Wololo.net
PS3 firmware 4.84 released | GBAtemp.net - The Independent Video Game Community