How to get PS3 Firmware update 4.90 for installing, Google and Edge covered in the video - YouTube
PS3: Official – Rebug 4.80.1 - Cobra 7.3 released - Hackinformer
Ps3 Downgrade Uk - NOW LIVE – PS3 UPDATE 4.80! Update 2: 2-step verification is coming, Sony has confirmed. Additionally, a Twitch app is now available to download from thePlayStation Store worldwide.
Playstation 3 PS3 250GB Slim Console 4.80 + 2 Original Sixaxis Controllers [Mod] | eBay
PS3 Update to System Software 4.89: Here's a Full Guide for You - MiniTool Partition Wizard
HOW TO JAILBREAK YOUR PS3 WITH A USB ON 4.80!! + BO2 MOD MENUS NO JAILBREAK!! EASY! + DOWNLOADS - YouTube