PS3: CFW Evilnat 4.89 Cobra 8.3 (CEX) released - Wololo.net
PS3 Firmware 4.89 and Vita Firmware Update 3.74 Downgrades Online Functionality
PS3 System Software Ver. 4.80 | XTREME PS
PS3 CFW SPY 4.81 CEX Update by DarekSpy, Works with MultiMAN 4.80 | PSXHAX - PSXHACKS
Ps3 Downgrade Uk - NOW LIVE – PS3 UPDATE 4.80! Update 2: 2-step verification is coming, Sony has confirmed. Additionally, a Twitch app is now available to download from thePlayStation Store worldwide.
Tutorial: How To Update PS3 To CFW 4.80 And Install The Latest Multiman - YouTube
PS3 Update 4.80 is out, guess what it brings to the table? - Wololo.net