Problem unlock Samsung SM-J327T

Platform: Samsung Android
Selected port: COM21
Selected model: SM-J327T
Operation: Unlock
Detected phone model: SM-J327T
Firmware compiled date: Tue May 8 10:38:14 KST 2018
PDA version: J327TUVS2ARE1
CSC version: J327TTMB2ARE1
SW version: J327TUVS2ARE1
Phone SN: R28J7180FNR
Android version: 7.0 (NRD90M)
Sales code: TMB
Country: USA
HW platform: exynos5
HW Chip: exynos7570
HW Modem: SHANNON305
Security patch level: 2018-05-01
Warranty Void: 0
SIM 1 status: absent
Codename: j3popeltetmo
Connecting to modem port...
Found phone on COM21
Reading IMEI...OK
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Connecting to server...OK
Checking smart card...OK
Username: chocho
Authorizing...OK
Checking balance...OK
Checking operation...OK
Your balance: 50 credits.
-----------------------------------------------------------------------------------
Sending device information...OK
Checking operation...failed
Device's modem is not supported. Please update phone's firmware!
Support for this modem will be added in 24 hours!
Phone unlocking failed
Performed by 2.7.4.2 Software version.