PS4 Jailbreak Guide - HEN Exploit on 5.05 - CFWaifu
PS4: How to get your hands on a PS4 with firmware 5.05 or lower - Wololo.net
Sony releases new PlayStation 4 model with model number "CUH-7200" - An even-quieter model with the figure of eight power connector that's being slowly rolled out, starting with the RDR2 bundle! -
PSXJailbreak: Jailbreak Your PlayStation Now For Free