PS3 System Software Update Version 3.66 is Now Live | by Sohrab Osati | Sony Reconsidered
PS3 System Software Update 4.87 Now Available For Download - PlayStation Universe
How to fix your bricked PS3 after firmware 4.46 | Attack of the Fanboy
PS3 Update 4.70 Is Now Available For You To Download | Attack of the Fanboy
PlayStation 3 firmware 3.00 details - CNET
How to Jailbreak a PS3 (with Pictures) - wikiHow
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
System Software Update Version 2.0 Disc CUSTOM ARTWORK some were asking about! : r/PS3