Is server down?

Operation: Unlock
Selected model: SM-G930T
Selected port: COM178 RIM Virtual Serial Port v2
Software version: 35.2

Checking Login and Password... OK
Ballance: 20 crd.
You have 20 credit(s) left. This operation takes 8 credits.Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SM-G930T
Android version: 8.0.0
PDA version: G930TUVS8CRL1
CSC version: G930TTMB8CRL1
Phone version: G930TUVS8CRL1
Product code: Not Active
CSC country code: USA
CSC sales code: TMB
Phone SN: R58H32AEY8H
IMEI: 35775207229xxxx
HW version: MSM8996.00
RF cal date: 2017.02.11
Chip name: MSM8996
Modem board: MSM8996
Security patch: 2018-12-01
Boot Warranty bit: 0
SIM State: READY
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... OK
Reading data from phone... OK
Rebooting to upload... OK
Searching Ramdump interface... COM4 detected
Reading data from phone... OK
Calculating... OK
Searching server... OK
Waiting for server answer... error (1)

Done with Samsung Tool PRO v.35.2