sm-g925f imei repair error?????


Operation: Write CERT
Selected model: SM-G925F
Software version: 24.4

Waiting ADB device… OK
Reading phone info…
Model: SM-G925F
Android version: 5.1.1
Product code:
Phone version:
PDA version: G925FXXU3COI9
CSC version: G925FOXX3COJ1
CSC country code: Romania
CSC sales code: ROM
HW version:
Phone S/N: R58GA1QNRZP
Modem board:
RF cal date:
IMEI:
Checking Super user right… true
Initialization AT RIL… error

Done with Samsung Tool PRO v.24.4

Waiting ADB device… OK
Reading phone info…
Model: SM-G925F
Android version: 5.1.1
Product code:
Phone version:
PDA version: G925FXXU3COI9
CSC version: G925FOXX3COJ1
CSC country code: Romania
CSC sales code: ROM
HW version:
Phone S/N: R58GA1QNRZP
Modem board:
RF cal date:
IMEI:
Checking Super user right… true
Initialization AT RIL… error

Done with Samsung Tool PRO v.24.4

Waiting ADB device… OK
Reading phone info…
Model: SM-G925F
Android version: 5.1.1
Product code:
Phone version:
PDA version: G925FXXU3COI9
CSC version: G925FOXX3COJ1
CSC country code: Romania
CSC sales code: ROM
HW version:
Phone S/N: R58GA1QNRZP
Modem board:
RF cal date:
IMEI:
Checking Super user right… true
Initializating zTool… OK
Running zTool, please wait… error (7.3)

Done with Samsung Tool PRO v.24.4

????