g925w8 not unlock

lash root done but after unlock imei null

Welcome to Octoplus/Octopus Box Samsung software version 2.1.7
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To connect SCL24 phone you have to perform the following steps:
1. Disconnect USB cable from phone.
2. Go to Menu->Settings->More->About Device.
3.Tap on "Build number" 7 times to enable developer options.
4. Go to Menu->Settings->More->Developer options.
5. Turn on "USB Debugging" option.
6. Go to dial window.
7. Enter "*#0808#" number.
8. Select "DM+Modem+ADB".
9. Press Home button.
10. Restart phone.
11. Press "Read Info" in software.
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Platform: Samsung Android
Selected port: COM4
Selected model: SM-G925W8
Searching for a phone. Please wait...
Phone found.
Firmware compiled date: Tue Nov 10 19:39:02 KST 2015
PDA version: G925W8VLU3BOK1
CSC version: G925W8OYA3BOK1
SW version: G925W8VLU3BOK1
Phone IMEI: Unknown
Phone SN: R58G60WJBNT
Android version: 5.1.1 (LMY47X)
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Platform: Samsung Android
Selected port: COM4
Selected model: SM-G925W8
Detected phone model: SM-G925W8
Firmware compiled date: Tue Nov 10 19:39:02 KST 2015
PDA version: G925W8VLU3BOK1
CSC version: G925W8OYA3BOK1
SW version: G925W8VLU3BOK1
Phone SN: R58G60WJBNT
Android version: 5.1.1 (LMY47X)
Checking Root:
Phone is Rooted.
Reading security backup, please wait...
Security read successfully.
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Platform: Samsung Android
Selected port: COM4
Selected model: SM-G925W8
Detected phone model: SM-G925W8
Firmware compiled date: Tue Nov 10 19:39:02 KST 2015
PDA version: G925W8VLU3BOK1
CSC version: G925W8OYA3BOK1
SW version: G925W8VLU3BOK1
Phone SN: R58G60WJBNT
Android version: 5.1.1 (LMY47X)
Checking Root:
Phone is Rooted.
Reading EFS, please wait...
EFS read successfully.
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Platform: Samsung Android
Selected port: COM4
Selected model: SM-G925W8
Detected phone model: SM-G925W8
Firmware compiled date: Tue Nov 10 19:39:02 KST 2015
PDA version: G925W8VLU3BOK1
CSC version: G925W8OYA3BOK1
SW version: G925W8VLU3BOK1
Phone SN: R58G60WJBNT
Android version: 5.1.1 (LMY47X)
Checking Root:
Phone is Rooted.
Reading security backup, please wait...
Backup saved as C:\Program Files\Octoplus\Octoplus_Samsung
\BACKUP\Security-SM-G925W8-Unknown11-01-2016_03-24-04-.asec
file
Deactivating MSL...
Executing exploit...
Exploit has been executed successfully
Phone is successfully unlocked
To finish the operation, please restart the phone via phone's menu.