SM-G955U Wont Unlock

I think its something to do with the new firmware ???


Operation: Read Codes via Server
Selected model: SM-G955U
Selected port: COM62 SAMSUNG Mobile USB Serial Port
Software version: 33.5

Checking Login and Password... OK
Ballance: 40 crd.
You have 40 credit(s) left. This operation takes 5 credits.Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SM-G955U
Android version: 8.0.0
PDA version: G955USQS5CRF5
CSC version: G955UOYN5CRF5
Phone version: G955USQS5CRF5
Product code: SM-G955UZVAATT
CSC country code: USA
CSC sales code: ATT
Phone SN: R38J40RVG5M
IMEI: 357757081810000
HW version: REV1.0
RF cal date: 2017.04.28
Chip name: MSM8998
Modem board: MSM8998
Security patch: 2018-07-01
Boot Warranty bit: 0
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
Searching Ramdump interface... COM9 detected
Reading data from phone... OK
Calculating... error (0)
Done with Samsung Tool PRO v.33.5