SM-G890A (Android 7.0) Unlock question [Solved]

[amil0003]

Welcome to Octoplus Box Samsung software version 2.6.9
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To connect SM-G890A 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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Platform: Samsung Android
Selected port: COM6
Selected model: SM-G890A
Operation: Read Codes - Diag port
Searching for a phone. Please wait...
Found phone on COM739
Reading info...
Read codes failed
Performed by 2.6.9 Software version.
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Platform: Samsung Android
Selected port: COM6
Selected model: SM-G890A
Operation: Read Codes - Diag port
Searching for a phone. Please wait...
Phone was not found on the selected port!
Read codes failed
Performed by 2.6.9 Software version.
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Platform: Samsung Android
Selected port: COM6
Selected model: SM-G890A
Operation: Read Codes - Diag port
Searching for a phone. Please wait...
Phone was not found on the selected port!
Read codes failed
Performed by 2.6.9 Software version.
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Platform: Samsung Android
Selected port: COM738
Selected model: SM-G890A
Operation: Unlock
Please, press "OK" button on the phone to allow USB debugging.
Detected phone model: SM-G890A
Firmware compiled date: Wed Jan 10 17:32:47 KST 2018
PDA version: G890AUCS7DRA2
CSC version: G890AATT7DRA2
SW version: G890AUCS7DRA2
Phone SN: R38G90G9ADW
Android version: 7.0 (NRD90M)
Sales code: ATT
Country: USA
HW platform: exynos5
HW Chip: exynos7420
HW Modem: SHANNON333
Security patch level: 2018-01-01
SIM 1 status: absent
Codename: marinelteuc
Checking Root:
Phone is not Rooted.
Phone unlocking failed
Performed by 2.6.9 Software version.