| here are steps:
1) restored security
2) *#0011# imei status: OK <-----
3)
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Operation: Repair
Selected model: SM-G935F
Software version: 30.5
If you are looking for 'Repair Network' function then you should use 'Patch Certificate'
Waiting ADB device...
Please, allow USB debugging on phone... OK
Reading phone info...
Model: SM-G935F
Android version: 7.0
Product code: SM-G935FZDAWIN
Phone version: G935FXXU1DQD7
PDA version: G935FXXU1DQF3
CSC version: G935FWIN1DQA1
CSC country code: ITALY
CSC sales code: WIN
HW version: MP 0.801
Phone SN: RF8J1220K2P
Chip name: EXYNOS8890
Modem board: SHANNON335
Security patch: 2017-05-01
RF cal date: 20170117
IMEI: 355612086288019
Checking Super user right... true
Reading NV data... OK
Checking NV data... OK
Reading data... OK
Detecting MODEM... OK
Reading MODEM... OK
Calculating... OK
Initialization data... OK
Writing zTool... OK
Initialization zTool... OK
Running zTool, please wait...
Start... OK
Initialization... OK
Generate and check client proof... OK
Verify proof by client... OK
Reading data... OK
HWID: 12 D7 B4 C2 C2 17 7F 1A 40 6A 2C BE 68 22 05 9E
Calculating... OK
Repairing... OK
Writing NV data... OK
Rebooting phone... OK
Repair done
Done with Samsung Tool PRO v.30.5
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4) *#0011# imei status: NG <-----
5)
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Operation: Patch Certificate
Selected model: SM-G935F
Software version: 30.5
Waiting ADB device... OK
Reading phone info...
Model: SM-G935F
Android version: 7.0
Product code: SM-G935FZDAWIN
Phone version: G935FXXU1DQD7
PDA version: G935FXXU1DQF3
CSC version: G935FWIN1DQA1
CSC country code: ITALY
CSC sales code: WIN
HW version: MP 0.801
Phone SN: RF8J1220K2P
Chip name: EXYNOS8890
Modem board: SHANNON335
Security patch: 2017-05-01
RF cal date: 20170117
IMEI: 358808072999562
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... OK
Rebooting phone... OK
Patching CERT check... done
Done with Samsung Tool PRO v.30.5
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6) NOT REGISTERED ON NETWORK <--- |