Samsung Galaxy sm-J727T1 (MetroPCS) Unlock Failed

[anrmobile]

Have 3 of these models. Failed on Z3X and they took all credits n now failed on Octoplus Box. Log below

Platform: Samsung Android
Selected port: COM28
Selected model: SM-J727T1
Operation: Unlock
Detected phone model: SM-J727T1
Firmware compiled date: Tue Mar 12 21:01:25 KST 2019
PDA version: J727T1UVS5BSC2
CSC version: J727T1TMK5BSC2
SW version: J727T1UVS5BSC2
Phone SN: R58K60W0G0M
Android version: 8.1.0 (M1AJQ)
Sales code: TMK
Country: USA
HW platform: exynos5
HW Chip: exynos7870
HW Modem: SHANNON315
Security patch level: 2019-03-01
Warranty Void: 0
SIM 1 status: absent
Codename: j7popeltemtr
Connecting to modem port...
Found phone on COM28
Reading IMEI...OK
-----------------------------------------------------------------------------------
Connecting to server...OK
Checking smart card...OK
Username: cakeybar23
Authorizing...OK
Checking balance...OK
Checking operation...OK
Your balance: 170 credits.
-----------------------------------------------------------------------------------
Sending device information...OK
Checking operation...OK
Rebooting phone
Searching for a phone. Please wait...OK
Initializing exploit...OK
Initializing...
Reading HWID...OK
Initializing exploit...OK
Unlocking phone...failed
Error (1)
Phone unlocking failed
Performed by 2.8.1.1 Software version.