PS3 Update to System Software 4.89: Here's a Full Guide for You - MiniTool Partition Wizard
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 Jailbreak Your PS3 on Firmware 4.90 or Lower with Flash Writer (Self-Hosted) - YouTube
How to bypass update 4.86 on ps3 fat? Has firmware: Cobra 8.01, and mmCM Version 4.85.01 : r/ps3hacks
Sony PlayStation 3 Fat: Downgrade to Firmware 3.55 - YouTube
How to Jailbreak a PS3 (with Pictures) - wikiHow
Empty Console Box for Sony PlayStation PS3 Fat 40GB CECHH01 - Authentic | eBay
PS3 fat model CECHG04 (September 2007) buys with ylod and fixed. Only a thousand hours on and was with the original 40GB hard drive. I think it was a good acquisition... :
PS3 Playstation 3 Custom Firmware CEX DEX Installation service PS3 CFW Version CEX
PS3 Fat 80gb Firmware 3.55 Jailbreak, Video Gaming, Video Game Consoles, PlayStation on Carousell
4.0 FIRMWARE Sony Playstation 3 PS3 40GB Video Game System Fat Console CECHG01 27242263420 | eBay
Jailbreak PS3 4.82 - Custom Firmware Ferrox
Is this 4.66 firmware ps3 super slim worth anything? hasn't been updated since 2014 and is in good condition : r/PS3
How To] Downgrade Fat PS3 From 4.66 to 3.55 Firmware Using E3 Flasher Tutorial (Part 1 of 3) - YouTube
Ever buy an original PS3? Sony may owe you $65 - CNET
How To Jailbreak Your PS3 On 4.89 With NEW CFW! - YouTube