PlayStation 3 updated to official firmware version 4.87 | GBAtemp.net - The Independent Video Game Community
How to Jailbreak a PS3 (with Pictures) - wikiHow
The Newest PS3 Update Comes in the Form of Version 4.84
PS3 Received a New Firmware Update, By the Way - Push Square
PS3 Firmware (OFW) 4.82 Released - You Must Know Before Update
How to Download PS3 Firmware & Installation Guidelines
PS3 Firmware 4.88 released, do not update just yet - Wololo.net
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 software version check
Sony prepares PS3 firmware update - Hardware - iTnews
PS3 HFW 4.88 (Hybrid Firmware)- Modded Firmware
PS3 Updates to 3.60 Firmware, Cloud Storage And Fixes in Tow