Le firmware 4.55 de la PS4 est disponible en téléchargement | Generation Game
Italian hacker Luca Todesco confirms jailbreaking PS4 firmware 4.50/4.55
WiFi Carichi Utili Iniettore per PS4 WiFi Crepa Modulo Seriale ESP8266 Gallina 1.6 Senza Fili Modulo di Decodifica per PS4 Firmware 4.55/ 5.05/5.07|Replacement Parts & Accessories| - AliExpress
PS4 JAILBREAK SERVICE - for 1.05 to 4.55 Firmware for Sale in Manila, National Capital Region Classified | PhilippinesListed.com