MVG on X: "Sony has updated the PS3 firmware to 4.89. What https://t.co/2PRsnfAS4i" / X
Sony Outs a New PlayStation 3 Console Firmware - Download Version 4.89
PlayStation 3 - Wikipedia
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
Now downloading: Sony PlayStation 3 Firmware 4.90 | TechSpot
I purchased a PS3 backward compatible from ebay for a good price and I'm impressed how clean it is. However... It's still on firmware 2.50. Should I update the firmware? : r/PS3
How to get PS3 Firmware update 4.90 for installing, Google and Edge covered in the video - YouTube
New firmware update: Sony readies PS3 for future 3D games | TechCrunch