A520F U4 android 7.0 unlock problem

A520F U4 security adndrid 7.0
log:
Searching ADB device Please wait..
Device Detected...
SELinux := Enforcing
model:= SM-A520F
Androids Version:= 7.0
Description Version:= a5y17ltexx-user 7.0 NRD90M A520FXXU4BRB6 release-keys
Platform:= exynos5 [ samsungexynos7880 ] [ SHANNON325 ]
Baseband:= A520FXXS4BQLE
VER:= A520FXXU4BRB6/A520FOJV4BRB1/A520FXXS4BQLE/A520FXXU4BRB6
Carrier := XSG_UAE
Knox Warranty := Void
AP UART Status := Disable.
Security Patch := 01-02-2018
Network Mode := LTE
Simstatus:= NETWORK_LOCKED
ANDROID-ID = 5210ab89ead774a9_00001A79A0
Device is not rooted

ALL SAMSUNG MSL UNLOCK STARTED..
Loading .. OK
Please Wait while...
Loader Ok Starting task...
fail to get msladress..
task fail...rYwxFsAgCEOvBCpCRhB7/yMVHTv3ZSD5QDDQEdhQzGw2kdnAN3ejSxyaLcW4GJsaIWxapNT lRqJmuZ96QoKdzhfOjr/5aUcuSstBoqAwwVgv

!!! Fail !!!!
Total Time Take...00:00:11
Log Saved
:confused::confused: