PS3 - 4.89 Update is Live! - Discussions / Details about the firmware update | Page 13 | PSX-Place
PS3 System Software Update 4.75 Released; Improves Stability [UPDATED]
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