g925w8 imei null/null after unlock with pro v24

i had issue unlocking this phone with v23.9 error 7.7.8 but today i unlock it with latest pro version v24 but after unlock process imei null/null and base band unknown.

Waiting ADB device… OK
Reading phone info…
Model: SM-G925W8
Android version: 5.1.1
Product code: SM-G925WZWABMC
Phone version: G925W8VLU3BOK1
PDA version: G925W8VLU3BOK1
CSC version: G925W8OYA3BOK1
CSC country code: Canada
CSC sales code: BMC
HW version: REV0.1
Phone S/N: R58G31QRECB
Modem board: SHANNON333
RF cal date: 20150324
IMEI:
Checking Super user right… true
Check version… OK
Initializating zTool… OK
Running zTool, please wait… OK
Reading nv data… OK
Checking NV data… OK
Calculating… OK
Writing nv data… OK
Rebooting phone… OK
Unlock done

Done with Samsung Tool PRO v.24.0

then i restore nv data and imei return back and base band was ok but phone was lock again.plz chek this problem and fix it,thanx
Waiting ADB device… OK
Reading phone info…
Model: SM-G925W8
Android version: 5.1.1
Product code:
Phone version:
PDA version: G925W8VLU3BOK1
CSC version: G925W8OYA3BOK1
CSC country code: Canada
CSC sales code: BMC
HW version:
Phone S/N: R58G31QRECB
Modem board:
RF cal date:
IMEI:
Checking Super user right… true
Writing nv data… OK
Recalculating md5… OK
Deleting backup… OK
Rebooting phone… OK
Write NV Data done

Done with Samsung Tool PRO v.24.0