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 - 4.88.1 HFW (Hybrid FirmWare) | PSX-Place
PS3: CFW Evilnat 4.89 Cobra 8.3 (CEX) released - Wololo.net
PS3 HEN 3.0.3 Released w/ FW 4.88 Support - Hackinformer
PS3: Homebrew ENabler 3.0.3_4.88 released for Firmware 4.88 - Wololo.net
Sony PlayStation 3 80GB Console CECHG03 PS3 80GB PS3 FW 3.55 PS3 Firmware 3.55 | eBay
PS3: Firmware-Version show - so it goes
PS3 Firmware Update 4.84 Released Today on Valentine's Day by Sony