4.84.2 rebug rex

Hi, i have a new PS3 from a friend. My way with it : 1/ HEN to CFW 2/ CFW to "3.55.4 REBUG" 3/ 3.55 to 4.84.2 REX REBUG 4/Using CEX2DEX 5/ i need to download Netflix and a maybe other things 6/ sign-in but obtain this error : "80023154" 7/Rebug Toolbox -> Change ps3id to "EID5: 85(CEX)" 8/try...