G925F Baseband problem

help guys, I have a G925F with the unknown baseband problem.

Scrittura device ADB… OK
Lettura info telefono…
Modello: SM-G925F
Android version: 6.0.1
Codice prodotto:
Versione Phone:
PDA version: G925FXXU4DPGW
CSC version: G925FITV4DPH1
Codice Paese CSC: ITALY
Codice vendita CSC: ITV
HW version:
Phone SN: RF8G51FLPFV
Piastra modem:
RF cal date:
IMEI:
Controllo diritti Super user… vero
Initializating zTool… OK
Running zTool, please wait…
Start… OK
Initialization… OK
Generate and check client proof… OK
Verify proof by client… OK
Reading data… errore (8)

Done with Samsung Tool PRO v.26.8