Install Sony PS3 4.66 Downgrade - video Dailymotion
How to Jailbreak Your PS3 on Firmware 4.87 or Lower! - YouTube
How To Jailbreak PS3 4.10 - Download & Tutorial - video Dailymotion
PS3 System Firmware on Multiman shows 4.75, but when I check in system information in the xmb menu it shows 4.86. Is this normal? Is there any way/should I upgrade it to
How To JAILBREAK Any PS3 Model In 10 Mins! 4.86 (Ps3 slim,Super Slim,FAT) in 2020 - YouTube