Samsung A320fl 8.0 no network

A320fl lost the network after the update. I want to do PATCH CERTIFICATE, let me know this error Is there any solution?


Reading phone info...
Model: SM-A320FL
Android version: 8.0.0
PDA version: A320FLXXU3CRH2
CSC version: A320FLHUI3CRH1
Phone version: A320FLXXU3ARI1
Product code: SM-A320FZBNHUI
CSC country code: ITALY
CSC sales code: HUI
Phone SN: RF8J21DSNET
IMEI: 356301083745200
HW version: MP 0.300
RF cal date: 20170213
Chip name: EXYNOS7870
Modem board: SHANNON315
Security patch: 2018-08-01
Boot Warranty bit: 0
SIM State: ABSENT
Checking Super user right... true
Reading NV data... OK
Checking NV data... OK
Reading data... OK
Detecting MODEM... OK
Reading MODEM... OK
Calculating... OK
Writing zTool... OK
Initialization zTool... error (1)

Done with Samsung Tool PRO v.34.11