PS3 - Official Update v4.90 is Live! Official CFW/HFW Released!, Page 8

PS3 Firmware Update out: 4.85! Don't update to this OFW! So what now? CFW & HEN systems

Version 4.46 : r/PS3

How to Update HFW & PS3HEN for Firmware 4.90!

No applicable update data was found. Problem when installing PS3HEN : r/ps3homebrew

PS3 - Official Update v4.90 is Live! Official CFW/HFW Released!, Page 3

How to Update HFW & PS3HEN for Firmware 4.90!

PS3: CFW Evilnat 4.90 released

PS3 4.88 HFW/HEN Installation/Update Guide - Homebrew Tips & Tricks! (For Beginners)

PS3 - Exploiting 4.90 OFW (Installing CFW & Running PS3HEN) Flash Writer / PS3HEN now supporting 4.90 FW

Where can i check to see if my ps is compatible with the 4.90 jailbreaking? : r/ps3hacks