SM-G950U Sprint Unlock Failed(solved)

Using Version...1.0.0.0057
Selected Model GT-I5500
Selected Task SAMSUNG SPRINT UNLOCK

Searching ADB device Please wait..
Device Detected...
SELinux := Enforcing
model:= SM-G950U
Androids Version:= 8.0.0
Description Version:= dreamqltesq-user 8.0.0 R16NW G950USQU3CRD4 release-keys
Platform:= msm8998 [ qcom ] [ MSM8998 ]
Baseband:= G950USQU3CRD4
VER:= G950USQU3CRD4/G950UOYN3CRD4/G950USQU3CRD4/G950USQU3CRD4
Carrier := SPR_USA
Knox Warranty := Not Void
AP UART Status := Enable Already.
Security Patch := 01-04-2018
Simstatus:= ABSENT
ANDROID-ID = 9887bc353758464435_0000912E16
Device is not rooted
SAMSUNG ALL SPRINT UNLOCKING STARTED...
Checking Data...
Waiting for Loader...
Loader Ok...
Type 2a
dbg1...NzZfNzdfNjZfNjBfN0RfNzBfNTNfMzJfMjZfMjFfMjN fMzJfNzdfN0NfN0RfNzZfN0ZfN0JfMTg=

!!! Fail !!!!

Restart Phone Manually if not done auto...
Total Time Take...00:00:18


G950USQU3CRD4 is not downgradable to G950USQS2BRB1.


So as I understand the S8 Sprint can't be unlocked at all ?