SM-G920w8 5.1.1 unlock failed?

Chimera Mobile Phone Utility version: 8.32.1253 @ 2015-11-11

Printing phone history

Info
11/11/2015
6:51:17
PM

Root/Unroot
11/11/2015
6:50:20
PM

Unlock
11/11/2015
6:43:30
PM

Read Codes
11/11/2015
6:23:03
PM

Unlock
11/11/2015
6:15:48
PM

[Unlock phone started]
Unable to detect imei number.

Gathering phone info...
Collecting information. Be patient! Do NOT disconnect the phone!
Model: SM-G920W8
Sales Code: TLS
Country Code: Canada
Android Version: 5.1.1 [LMY47X]
Build Date: Sat Oct 24 00:54:51 KST 2015
PDA Version: G920W8VLU3BOJ7 [october 2015, rev7]
Phone Version: G920W8VLU3BOJ7 [october 2015, rev7]
Board Platform: EXYNOS5
Modem Platform: SHANNON333
Serial Number: RF8G500M45Z
Battery Status: 4.26V (97%)
SIM Status: READY
Knox Version: v30
Warranty Bit: 1

Unlocking...
Android version 5.1.1 detected. Trying to use recovery based method.
Downloading custom recovery image. Be patient! Do NOT disconnect the phone!
Checking image.
Flashing custom recovery image.

Flashing firmware...
Switching to download mode.
Waiting for download mode.
Connecting.
Reading PIT.
Flashing recovery.img.
Flashing cache.img.
Restarting phone.
Recovery mode will start. You do not have to do anything. Be patient! Do NOT disconnect the phone!
Waiting for ADB connection. Be patient! Do NOT disconnect the phone!

Checking root state...
Rooted.
Reading and storing secure image. Be patient! Do NOT disconnect the phone!
Checking secure image.
Preparing.
Calculating. Be patient! Do NOT disconnect the phone!
Unable to unlock.
Finished at local time: [11.11.15 13:52:37]
WorkID: 7792685

Tried on 2 different comps. same problem.

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SM-G920w8 5.1.1 unlock failed?