SPH-L720 Unlocked

Tried unlocking using XXX box says Unlocked but still locked, but in Octopus it neve failed me.

Welcome to Octoplus/Octopus Box Samsung software version 2.1.7
To connect SPH-L720 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. Go to dial window.
11. Enter "*#9090#" number.
12. Set "Diag config" to "[1]DM/DUM over HS-USB" value.
13. Restart phone.
14. Press "Read Info" in software.
Platform: Samsung Android
Selected port: COM449
Selected model: SPH-L720
Please, press "OK" button on the phone to allow USB debugging..
Detected phone model: SPH-L720
Firmware compiled date: Wed Jul  9 09:09:48 KST 2014
PDA version: L720VPUFNG2
CSC version: L720SPTFNG2
SW version: L720VPUAMDC
Phone IMEI: 990004357364516
Phone SN: 00000000000
Android version: 4.4.2 (KOT49H)
Checking Root:
Phone is not Rooted.
Installing service app...
Unlocking phone...
Phone is successfully unlocked
To finish the operation, please restart the phone via phone's menu.