After write imei still shows nil

ear supporter yesterday night i succefully write imei in lg D-802T ,,,,after doing complete process ,,,when i power ON set and check IMEI ,,,surprise to know that still showing NIL ,,,,here is log -:

1/25/2016 7:33:47 PM > Platform: LG Qualcomm
1/25/2016 7:33:47 PM > Selected port: COM382
1/25/2016 7:33:47 PM > Selected model: D802T
1/25/2016 7:33:47 PM > Reading info…
1/25/2016 7:33:50 PM > Model ID: LG-D802T
1/25/2016 7:33:50 PM > IMEI: 000000-00-000000-0
1/25/2016 7:33:50 PM > Android version: 4.4.2
1/25/2016 7:33:50 PM > Battery level: 39%
1/25/2016 7:33:50 PM > Mode: Normal
1/25/2016 7:33:50 PM > Firmware compiled date: Jan 24 2014
1/25/2016 7:33:50 PM > Firmware compiled time: 15:00:00
1/25/2016 7:33:50 PM > Firmware released date: May 28 2014
1/25/2016 7:33:50 PM > Firmware released time: 11:28:14
1/25/2016 7:33:50 PM > SW Version: M8974A-AAAANAZM-2.0.20032
1/25/2016 7:33:50 PM > SPC: 000000
1/25/2016 7:33:50 PM > Fixing IMEI…
1/25/2016 7:33:50 PM > New IMEI: 354198-06-18860****
1/25/2016 7:33:51 PM > Skip Read/Write QCN
1/25/2016 7:33:51 PM > Writing security area…1/25/2016 7:33:51 PM > OK
1/25/2016 7:33:51 PM > Switching to Normal mode…
1/25/2016 7:34:21 PM > Found model D802T at port COM382
1/25/2016 7:34:23 PM > IMEI successfully fixed!
1/25/2016 7:34:23 PM > To complete the operation, please make Factory Reset (Go to "Settings" -> "General" -> "Backup & reset" -> "Factory data reset", press "Reset phone" and "Erase everything" buttons).

I just request to knid support to knidly indicate that where am i doing mistake ? and help me to write it perfectly ,,,which always should shows…

Waiting for kind replies…