FNB coneXis x1 imei become 0 after unlock

Software engine version: 1.0.0.10758
Searching phone ...

MODEL : QCOM SERIES 48
COMPILED DATE : Nov 2 2016 12:31:00
RELEASE DATE : Sep 2 2016 08:00:00
FIRMWARE INFO : MPSS.JO.1.2.c3-00131-8909_GEN_PACK-1
IMEI : 86224203073959-8
BLUETOOTH ADDR : 00 00 00 00 00 00

FIRMWARE: FNB_ZA_P809F52V1.0.0B10

close_event_report: OK;
close_log_report: OK;
close_message_report: OK;
closing_com_port: OK;
Starting the backup process;
connect_server: OK;
backup in progress: OK;
Backup saved to: D:\Furious Gold\QCOM\86224203073959_5_02_2019_11_58_16.bkp
switching_download_mode: OK;
closing_com_port: OK;
Preparing to open COM154
Connecting;
Loading;
Init;
Port opened;
Hello Received;
BOOT Loaded;
Getting config;
Getting mem info;
Found an eMMC memory 22CD
Looking for the interface;
Port found [ZTE HS-USB Diagnostics Interface Driver (COM27)]
connect_server: OK;


when i try restore backup it show like this



Software engine version: 1.0.0.10758
Searching phone ...

MODEL : QCOM SERIES 48
COMPILED DATE : Nov 2 2016 12:31:00
RELEASE DATE : Sep 2 2016 08:00:00
FIRMWARE INFO : MPSS.JO.1.2.c3-00131-8909_GEN_PACK-1
IMEI : 00000000000000-0
BLUETOOTH ADDR : 00 00 00 00 00 00

FIRMWARE: FNB_ZA_P809F52V1.0.0B10

close_event_report: OK;
close_log_report: OK;
close_message_report: OK;
closing_com_port: OK;
This phone has corrupted security. Select the backup to restore;
connect_server: OK;