4.90?? I'm not downloading anything till I hear from you guys : r/PS3
Sony PS3 Receives Firmware 4.66 – Download and Apply Now
PS3 Custom Firmwares (CFWs) : Free Download, Borrow, and Streaming : Internet Archive
PS3 - 4.88.1 HFW (Hybrid FirmWare) | PSX-Place
PS3 Firmware Update 2.53 Download
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
PS3 How To Put The Update Firmware On USB Tutorial - YouTube
PS3 Update to System Software 4.89: Here's a Full Guide for You
PS3 Firmware 4.90 is out! (and you really don't want to update) - Wololo.net
RPCS3: PS3 Games on Your Deck – Deck Central
PlayStation 3 Firmware Update 4.40 – Download Here
PS3 Jailbreak 4.00 CFW Update [TUTORIAL] - video Dailymotion