Retro Gamer on Twitter: "Hi guys for all of you waiting for PS4 Admin ( Firmware V3 ) for chip ESP8266, I got it finished. Here is the github link: https://t.co/L2CwaXF1Mg And
How To] Update PS4 to 4.55 OFW Using USB Tutorial - YouTube
PS4: How to get your hands on a PS4 with a 4.55 firmware or lower - Wololo.net
PS4 - Hacking the PS4 (PlayStation 4 Jailbreak) | PSX-Place