SM-J530f u3 not working good [Answered]

patch ok . but after 2 or 3 reboots of the phone with the SIM inserted the NG status returns..
Lettura info telefono...
Modello: SM-J530F
Android versione: 8.1.0
PDA versione: J530FXXU3BRL1
CSC versione: J530FTIM3BSA1
Versione Phone: J530FXXU3BRJ1
Codice prodotto: SM-J530FZSATIM
Codice Paese CSC: ITALY
Codice vendita CSC: TIM
Telefono SN: RF8K42xxx
IMEI: 357460063xxxxx
HW versione: MP 0.500
RF cal data: 20180428
Nome Chip: EXYNOS7870
Piastra modem: SHANNON315
Security patch: 2018-12-01
Boot Warranty bit: 1
SIM State: ABSENT
Controllo diritti Super user... vero
Initialization zTool... Ok
Running zTool, please wait... Ok
Lettura dati da telefono... Ok
Ricerca server... Ok
Checking server answer... Ok
Executing... Ok
Ricerca server... Ok
Waiting for server answer... Ok
Patching... Ok
Riavvio telefono... Ok