PS3 Custom Firmware 4.82 Download Installer 2017 Released For Homebrew, Details Here | Redmond Pie
PS3 System Update 4.80 Now Available To Download | Attack of the Fanboy
Firmware-update: Sony PlayStation 3 4.55 - Gaming - Downloads - Tweakers
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 Jailbreak Your PS3 on Firmware 4.84 or Lower! - YouTube