PS3 update 4.82 out & should you update? NO! - Hackinformer
PS3 System Software Update - Free download and software reviews - CNET Download
PS3™ | System Update
PS3 System Update 4.85 Now Available - YouTube
A tentative release date for a PS3 firmware exploit has been announced | ModMy
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
PlayStation 3 Firmware Update 4.40 – Download Here
The data is corrupted 8002F165 PS3 Error | PSXHAX - PSXHACKS
PS3 4.81 OFW | Gamers Alive
Playerkp420 4.81 CFW (Non-Cobra) PS3 Custom Firmware is Released | PSXHAX - PSXHACKS
PS3 Firmware Update 4.81 Improves “Quality” of System Performance
Just acquired this PS3 from a thrift store and it's still on Version 2.76 : r/PS3