N950u unlock error

PLEASE HELP WITH UNLOCKING N950U T-MOBILE
[CODE]You have 30 credit(s) left. This operation takes 10 credits.Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SM-N950U
Android version: 8.0.0
PDA version: N950USQU5CRG7
CSC version: N950UOYN5CRG7
Phone version: N950USQU5CRG7
Product code: SM2N950UZKATMB
CSC country code: USA
CSC sales code: TMB
Phone SN: R28JB2CB14V
IMEI: 358505085658900
HW version: REV1.0
RF cal date: 2017.11.20
Chip name: MSM8998
Modem board: MSM8998
Security patch: 2018-07-01
Boot Warranty bit: 0
Searching Samsung diag port... detected COM138
Reading phone info... OK
Reading data from phone... error (0), skip
Waiting for device to become ready... OK
Initialization zTool... OK
Running zTool, please wait...
Start... OK
Initialization... OK
Generate and check client proof... OK
Verify proof by client... OK
Reading data from phone... OK
Rebooting to upload... OK
Searching Ramdump interface... COM7 detected
Reading data from phone... OK
Calculating... error (0)

Done with Samsung Tool PRO v.33.8[CODE]