PS4 AIO Offline 5.05 Exploit Playground and Guide by W!ck3d_cl0wn | PSXHAX - PSXHACKS
PS4 release: GhidraPS4Loader and Playstation 4 Flash tool - Wololo.net
PS4 - PS4 5.55 FW Decrypted | PSX-Place
Specter on Twitter: "Took me a bit longer than I'd hoped - but the PS4 5.05 Kernel Exploit writeup has now been published :). If you have any suggestions for clarity or
PS4 - Kernel Exploit for FW 5.53 sneak-peek by @Mathieulh --- UPDATE: Latest FW 5.55 as well !!! | PSX-Place
PS4: SpecterDev releases Webkit exploit for Firmware 6.20, a ray of hope for 6.xx owners - Wololo.net