PS3 System Software 4.89 Update Live, Don't Update Your Firmware! | PSXHAX - PSXHACKS
How to get PS3 Firmware update 4.89 for installing, Google and Edge covered in the video - YouTube
If I have a Dex jailbroken PS3 on 4.84, can I still get online even though the latest version is 4. 84? If not, how do I update it without ruining the jailbreak? - Quora
System Software Update Version 2.0 Disc CUSTOM ARTWORK some were asking about! : r/PS3
PS3 System Software 4.86 Update Live, Don't Update Your Firmware! | PSXHAX - PSXHACKS
Surprise! There's a new PS3 firmware update - here's what patch 4.88 does | TheSixthAxis
Do not update your PS3, latest firmware bricking systems – Destructoid
PS3 System Update 4.85 Now Available - YouTube
PS3 Update to System Software 4.89: Here's a Full Guide for You
PS3 System Firmware Update 4.89 Patch Details Today (May 10)
PS3 Firmware Update 4.70 Available for Download, Brings Fresh PSN Logo - Update