samsung j200g fake imei problem

samsung j200g
problem fake imei emergency call only
my steps after universal format emmc
1. write dump 512mb rom1, rom2, rom3
2. write efs from my backup folder
3. go to download mode and flash with odin

i try z3x samsung tool pro repair option but get a error checking nv data error security damage problem
please give any solution:confused:

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