Flash News:PS4 5.05 Homebrew Tools Released & CFW Info Announced! - Hackinformer
Sony PS4 Firmware 5.05 for Sale in San Diego, CA - OfferUp
GitHub - Cryptogenic/PS4-5.05-Kernel-Exploit: A fully implemented kernel exploit for the PS4 on 5.05FW
Jailbreak Your PS4 On 5.05 And install PS4 HEN 2.1.4 - YouTube
PS4: How to get your hands on a PS4 with firmware 5.05 or lower - Wololo.net
Prb on Twitter: "Workaround Guide for installing Ps4 game update's on your Ps5 this guide is for everyone one who is holding out on a lower Ps5 FW You will need Ps4