n960u unlock prob z3x

Operation: Unlock
Selected model: SM-N960U
Selected port: COM2284 SAMSUNG Mobile USB Serial Port
Software version: 34.3

Checking Login and Password... OK
Ballance: 10 crd.
You have 10 credit(s) left. This operation takes 10 credits.Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SM-N960U
Android version: 8.1.0
PDA version: N960USQS1ARH6
CSC version: N960UOYN1ARH6
Phone version: N960USQS1ARH6
Product code: SM-N960UZPATMB
CSC country code: USA
CSC sales code: TMB
Phone SN: RF8K80BQS1E
IMEI: 358497090684891
HW version: REV1.1
RF cal date: 2018.08.02
Chip name: SDM845
Modem board: SDM845
Security patch: 2018-09-01
Boot Warranty bit: 0
SIM State: ABSENT
Searching Samsung diag port... detected COM2284
Reading phone info... OK
Reading data from phone... error (0), skip
Rebooting phone... OK
Waiting ADB device... OK
Rebooting phone... OK
Waiting ADB device... OK
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... COM1645 detected
Reading data from phone... OK
Calculating... OK
Searching server... OK
Waiting for server answer... error (1)

Done with Samsung Tool PRO v.34.3