g920f phone sn 0000000

hello to everybody ı have a s6 and the phone does not see the sim card because of the sn number . so how can ı fix the sn number ?

Waiting ADB device… OK
Reading phone info…
Model: SM-G920F
Android version: 5.1.1
Product code:
Phone version: G920FXXU3COI9
PDA version: G920FXXU3COI9
CSC version: G920FOXX3COI6
CSC country code: portugal
CSC sales code: TPH
HW version:
Phone S/N: 00000000000
Modem board: SHANNON333
RF cal date:
Checking Super user right… true
Initializating zTool… OK
Running zTool, please wait… OK
Reading modem… OK
Patching modem… OK
Writing modem… OK
Rebooting phone… OK
Patching CERT check… done

Done with Samsung Tool PRO v.24.2