All Phone Says no Diagnostic Port found but show data on Android/EFS manager

As the title suggest almost All Phone Says no Diagnostic Port found but show data on Android/EFS manager.

Welcome to Octoplus/Octopus Box Samsung software version 2.3.7
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To connect SM-N915A 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: COM3
Selected model: SM-N915A
Phone was not found on the selected port!
Searching for USB diagnostic port…
Connecting to phone on COM22
Phone connection failed
No diagnostic ports found!
Connecting to phone on COM3
Phone connection failed
Performed by 2.3.7 Software version.
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Platform: Samsung Android
Selected port: COM3
Selected model: SM-N915A
Reading info, please wait…
Detected phone model: SM-N915A
Firmware compiled date: Fri Apr 29 21:21:43 KST 2016
PDA version: N915AUCS2COI5
CSC version: N915AATT2COI5
SW version: N915AUCS2COI5
Phone SN: R38G102L9NH
Android version: 5.1.1 (LMY47X)
Sales code: ATT
Country: USA
HW platform: apq8084
HW Chip: APQ8084
HW Modem: MDM9225M
Codename: tblteuc
Performed by 2.3.7 Software version.
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Platform: Samsung Android
Selected port: COM3
Selected model: SM-N915A
Reading info…
Phone was not found on the selected port!
Phone unlocking failed
Performed by 2.3.7 Software version.