PS3 Still Lives With New System Update 4.87 - Siliconera
PS3 Firmware 4.82 released, one year after last update & mere days after 4.81 exploit revealed - Wololo.net
PS3 System Update 4.80 Now Available To Download | Attack of the Fanboy
PlayStation 3 Firmware Update 4.40 – Download Here
PlayStation 3: Sony releases Firmware 4.87 for their 14 year old console - HFW 4.87.1 is already out with SEN Enabler already being updated to spoof FW 4.87 - Wololo.net
PS3 Custom Firmware 4.82 Download Installer 2017 Released For Homebrew, Details Here | Redmond Pie
PS3 Firmware (OFW) 4.82 Released - You Must Know Before Update
PS3 System Software 4.85 Update Live, Don't Update Your Firmware! | PSXHAX - PSXHACKS