PS4 Update 7.55 Released and Brings What People Expect - MP1st
7.55 PS4 Upgrade & Jailbreak - Step by Step Guide - Should you update to 7.55? Realtime Jailbreak. | GBAtemp.net - The Independent Video Game Community
PS4: How to get your hands on a PS4 with firmware 7.55 or lower - Wololo.net
PS4 7.55 Games List | Top 10 PS4 games to Play in PS4 Jailbreak 7.55 Must Watch - YouTube
PS4 System Software Update 7.55 Patch Notes Revealed Following PSN Downtime - PlayStation Universe
PS4 Jailbreak (PS4JB) 7.50 / 7.51 / 7.55 Work In Progress, Don't Update! | PSXHAX - PSXHACKS