s6(sm-g925i) error in writing certi

[abdullacool33]

I am trying to write certi but always giving me error first I have wipe the efs and I didnt backup th efs first here is my log

Operation: Write CERT
Selected model: SM-G925I
Software version: 21.3
Checking certificate file... OK
KEY ID: 0346
Waiting ADB device... OK
Reading phone info...
Model: SM-G925I
Android version: 5.0.2
Product code:
Phone version: G925IDVU1BOE3
PDA version: G925IDVU1BOE3
CSC version: G925IODD1BOE3
CSC country code: India
CSC sales code: INS
HW version:
Phone S/N:
Modem board: SHANNON333
RF cal date:
IMEI:
Checking Super user right... true
Reading nv data... OK
Checking magic... error
Security damaged (1)
Done with Samsung Tool PRO v.21.3

[keeran]

I have same problem. Need idea from exoert pleace.