New PS3 Firmware Update 4.90 Now Available to Download
GitHub - PS3-4K-Pro/Firmware-Updates: Custom firmware update server for PS3™ 4K Pro.
How to Check PS3 Firmware Version? - YouTube
PlayStation Home Online 1.86 Running on PS3 4.88 Official Firmware (OFW) | Page 2 | PSXHAX - PSXHACKS
PlayStation 3 updated to official firmware version 4.87 | Page 2 | GBAtemp.net - The Independent Video Game Community
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
PS3 Firmware 4.90 is out! (and you really don't want to update) - Wololo.net
Sony Pulls Down 2.40 PS3 Firmware | WIRED
PS3 Downgrade Service 4.78 to 3.55 Official Firmware NOR ONLY (FREE RETURN SHIP) - Payhip
PS3 UPDATE USB FLASH DRIVE PLUG IN LATEST Official Sony FIRMWARE FW OFW | eBay
How to download and install PS3 Firmware for RPCS3 - YouTube