Samsung N920T Unlock Fails (Root successful How to

N920T Unlock Fails (Root successful)

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I tested 2 different N920T. Root successful but Unlock failed. Tested with sim and still says locked. Suggestions please
Welcome to Octoplus/Octopus Box Samsung software version
2.1.3
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To connect SM-G870A 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. Press "Read Info" in software.
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To connect SM-N920T 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.
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Platform: Samsung Android
Selected port: COM3
Selected model: SM-N920T
Reading info, please wait...
Detected phone model: SM-N920T
Firmware compiled date: Wed Oct 14 15:30:52 KST 2015
PDA version: N920TUVU2COJ5
CSC version: N920TTMB2COJ5
SW version: N920TUVU2COJ5
Phone IMEI: Unknown
Phone SN: RF8G90JP8JT
Android version: 5.1.1 (LMY47X)
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Platform: Samsung Android
Selected port: COM3
Selected model: SM-N920T
Detected phone model: SM-N920T
Firmware compiled date: Wed Oct 14 15:30:52 KST 2015
PDA version: N920TUVU2COJ5
CSC version: N920TTMB2COJ5
SW version: N920TUVU2COJ5
Phone IMEI: Unknown
Phone SN: RF8G90JP8JT
Android version: 5.1.1 (LMY47X)
Checking Root:
Phone is Rooted.
Reading security backup, please wait...
Backup saved as C:\Program Files (x86)\Octoplus
\Octoplus_Samsung\BACKUP\Security-SM-N920T-Unknown17-01-
2016_15-09-55-.asec file
Deactivating MSL...
Executing exploit...
Executing exploit failed
Phone is successfully unlocked
To finish the operation, please restart the phone via phone's menu.
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Platform: Samsung Android
Selected port: COM3
Selected model: SM-N920T
Searching for a phone. Please wait...
Phone found.
Firmware compiled date: Wed Oct 14 15:30:52 KST 2015
PDA version: N920TUVU2COJ5
CSC version: N920TTMB2COJ5
SW version: N920TUVU2COJ5
Phone IMEI: Unknown
Phone SN: RF8G82X64DA
Android version: 5.1.1 (LMY47X)
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Platform: Samsung Android
Selected port: COM3
Selected model: SM-N920T
Detected phone model: SM-N920T
Firmware compiled date: Wed Oct 14 15:30:52 KST 2015
PDA version: N920TUVU2COJ5
CSC version: N920TTMB2COJ5
SW version: N920TUVU2COJ5
Phone IMEI: Unknown
Phone SN: RF8G82X64DA
Android version: 5.1.1 (LMY47X)
Checking Root:
Phone is Rooted.
Reading security backup, please wait...
Backup saved as C:\Program Files (x86)\Octoplus
\Octoplus_Samsung\BACKUP\Security-SM-N920T-Unknown17-01-
2016_15-15-23-.asec file
Deactivating MSL...
Executing exploit...
Executing exploit failed
Phone is successfully unlocked
To finish the operation, please restart the phone via phone's menu.

Please do the next:
1. Write first Security backup back into the phone.
2. Install the latest 

Software version.
3. Repeat "Unlock" operation.
Post here result and full Software log of the operation.