EP 3) Install & Setup Useful Homebrew Apps on PS4 (7.55 or Lower) - The GamePad Gamer
PS4 Jailbreak confirmed to work on 7.55, some issues remain and are being worked on - Wololo.net
Update: Mira ported to new PS4 FW 7.55 exploit... - Hackinformer
7.55 PS4 Upgrade & Jailbreak - Step by Step Guide - Should you update to 7.55? Realtime Jailbreak. | Page 2 | GBAtemp.net - The Independent Video Game Community
PRB 7.55 ESP8266 Exploit Menu v4 SL Update 3 | PS4 7.55 Jailbreak | Full Tutorial | Orbis Toolbox - The GamePad Gamer
Recent PS4 Firmware CFW 7.55 Can Be Successfully Hacked | TechBriefly
Top 10 PS4 Games for 7.55 Jailbreak | Best games for PS4 Jailbreak 7.55 - YouTube
PS4 7.50 Kernel Exploit via Sleirsgoevy, 7.55 May Come in a Few Days! | Page 2 | PSXHAX - PSXHACKS