PlayStation 3 updated to official firmware version 4.87 | GBAtemp.net - The Independent Video Game Community
PSA: Don't upgrade your PS3 to 4.83 if you want to use CFW : r/emulation
Warning PS3 New Update 4.83 Do Not Update For Now !!! - YouTube
Warning PS3 New Update 4.83 Do Not Update For Now !!! - YouTube
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 System Software 4.83 Update Live, Don't Update Your Firmware! | PSXHAX - PSXHACKS
How to get PS3 Firmware update 4.89 for installing, Google and Edge covered in the video - YouTube