Got this CEH2003B ps3 slim on 4.86 ofw fr £25. How do I downgrade it? : r/ps3homebrew
Downgradable PS3 Models - Wololo.net
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) -
Now you can run backup games on the PS3 with OFW 4.70 - Hackinformer
Downgrade 4.90 New Update 2023 || OFW TO CFW 4.90 - 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
JOGi MODS :: PS3 Downgrade Service - Back To 3.55 OFW