PS3 Firmware 4.89 and Vita Firmware Update 3.74 Downgrades Online Functionality
PlayStation 3: Sony releases Firmware 4.86 for their 13 year old console - HFW 4.86 released, SEN Enabler updated & PS3HEN to be updated soon due to no kernel changes! - Wololo.net
How To Install/Update To 4.85 HEN HFW On Any PS3 + Enable HEN! [EPISODE 8] #PS3HEN #PS3HFW #PS3Mod - YouTube
PlayStation Network Releases: September 20th, Firmware Update 3.72, Resident Evil 4
PS1/PSP Games Can No Longer Be Transferred From PS3 To PS Vita