sm-g925s imei repair problem

[jonpulat]

Hello team! I have been galaxy g925s korean after downgarde firemware 6.0.1 to 5.1.1 imei unknown... I do repair efs than write cert file Security is damaged
I tried...any boxses the sim problem please help me team support.

INFO - [Click to open]

Waiting ADB device... OK
Reading phone info...
Model: SM-G925S
Android version: 5.1.1
Product code:
Phone version:
PDA version: G925SKSU3COK5
CSC version: G925SRKC3COK5
CSC country code: KOREA
CSC sales code: SKC
HW version:
Phone S/N: RF8G80XYP8P
Modem board:
RF cal date:
IMEI:
Checking Super user right... true
Initialization AT RIL... error
Done with Samsung Tool PRO v.25.3

[blang]

Originally Posted by jonpulat

Hello team! I have been galaxy g925s korean after downgarde firemware 6.0.1 to 5.1.1 imei unknown... I do repair efs than write cert file Security is damaged
I tried...any boxses the sim problem please help me team support.

INFO - [Click to open]

Waiting ADB device... OK
Reading phone info...
Model: SM-G925S
Android version: 5.1.1
Product code:
Phone version:
PDA version: G925SKSU3COK5
CSC version: G925SRKC3COK5
CSC country code: KOREA
CSC sales code: SKC
HW version:
Phone S/N: RF8G80XYP8P
Modem board:
RF cal date:
IMEI:
Checking Super user right... true
Initialization AT RIL... error
Done with Samsung Tool PRO v.25.3

modem not work.
you cant do nothing before modem will start work.

[jonpulat]

before worked perfectly after flash damgaed HW Modem: unknown offer what should I do now?thank you for answer team.