g950u sprint unlock no working

g950u sprint unlock no working Checking Login and Password... OK
Ballance: 30 crd.
You have 30 credit(s) left. This operation takes 8 credits.Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SM-G950U
Android version: 8.0.0
PDA version: G950USQU5CRL2
CSC version: G950UOYN5CRL2
Phone version: G950USQU5CRL2
Product code: SM-G950UZVASPR
CSC country code: USA
CSC sales code: SPR
Phone SN: R28J4281GNV
IMEI: 35xxxxxxxxxxxxx
HW version: REV1.0
RF cal date: 2017.04.18
Chip name: MSM8998
Modem board: MSM8998
Security patch: 2018-12-01
Boot Warranty bit: 0
SIM State: CARD_IO_ERROR
Searching Samsung diag port... detected COM3
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... OK
Checking data... error (4.0)
Your phone has new security patch

Done with Samsung Tool PRO v.34.8