Problem unlocking S550TL

Pls help. How do I resolve this:

Using Version...1.0.0.0058
Selected Model GT-I5801
Selected Port SAMSUNG Mobile USB Modem #19 COM32
Selected Task SAMSUNG ADB UNLOCK

Searching ADB device Please wait..
Device Detected...
SELinux := Permissive
model:= SM-S550TL
Androids Version:= 6.0.1
Description Version:= on5ltetfntmo-user 6.0.1 MMB29K S550TLUDU2AQC4 release-keys
Platform:= exynos3 [ universal3475 ] [ ]
Warning Baseband is Unknown or damaged....
VER:= S550TLUDU2AQC4/S550TLTFN2AQC4/FA60_S550TLUDU2API1
Carrier := TFN_USA
EFS CSC := TFN
Knox Warranty := Not Void
AP UART Status := Enable Already.
Security Patch := 01-03-2017
Network Mode := LTE
Simstatus:= NOT_READY
ANDROID-ID = 92011fd614de44e3_0000F1893B
type1 root exploit possible.
SU Version..3.54:kinguser_s
Device is Secure Rooted..uid=0
System Permission is Read/Write...

SAMSUNG ADB UNLOCK STARTED...

Reading backup Please wait...
Checking Data..
Checking Lock Status..
Compressed Secure EFS-V2 found unsupported for unlocking at present...

!!! Fail !!!!

Restart Phone Manually if not done auto...
Total Time Take...00:00:23
Log Saved