error unlock g960u [Solved]

[picioso]

Operation: Unlock TMB via Server
Selected model: SM-G960U
Software version: 43.16

Checking Login and Password... OK
Balance: 6 crd.
You have 6 credit(s) left. This operation takes 6 credits. Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SM-G960U
Android version: 10
PDA version: G960USQS9FUA3
CSC version: G960UOYN9FUA3
Phone version: G960USQS9FUA3
Product code: SM-G960UZKATMB
CSC country code: USA
CSC sales code: TMB
Carrier ID: TMB
Phone SN: 5339523031583398
IMEI: 353309091844082
HW version: REV1.1
RF cal date: 2018.03.17
Chip name: SDM845
Modem board: SDM845
Security patch: 2021-01-01
Boot Warranty bit: 0
SIM State: ABSENT
Waiting for device to become ready... OK
Initialization zTool... OK
Running zTool, please wait... OK
Trying to enable diag port... OK
Waiting ADB device... OK
Waiting for device to become ready... OK
Searching Samsung diag port... detected COM75
Reading IMEI... OK
Initialization zTool Loader... OK
Running zTool, please wait... OK
Loading... OK
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... OK
Searching Ramdump interface... COM76 detected
Reading data from phone... OK
Calculating... OK
Searching server... OK
Waiting for server answer... OK
Waiting ADB device... OK
Waiting for device to become ready... OK
Initialization zTool Loader... OK
Running zTool, please wait... OK
Loading... error (0.)
Retry 1...
Initialization zTool Loader... OK
Running zTool, please wait... OK
Loading... OK
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... error (4.7.-2)
Retry 2...
Initialization zTool Loader... OK
Running zTool, please wait... OK
Loading... OK
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... error (4.7.-2)
Retry 3...
Initialization zTool Loader... OK
Running zTool, please wait... OK
Loading... OK
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... error (4.7.-2)
Retry 4...
Initialization zTool Loader... OK
Running zTool, please wait... OK
Loading... OK
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... error (4.7.-2)
Retry 5...
Initialization zTool Loader... OK
Running zTool, please wait... OK
Loading... OK
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... error (4.7.-2)
Retry 6...
Initialization zTool Loader... OK
Running zTool, please wait... OK
Loading... OK
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... error (4.7.-2)
Retry 7...
Initialization zTool Loader... OK
Running zTool, please wait... OK
Loading... OK
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... error (4.7.-2)
Retry 8...
Initialization zTool Loader... OK
Running zTool, please wait... OK
Loading... OK
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... error (4.7.-2)
Retry 9...
Initialization zTool Loader... OK
Running zTool, please wait... OK
Loading... OK
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... error (4.7.-2)
Retry 10...
Initialization zTool Loader... OK
Running zTool, please wait... OK
Loading... OK
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... error (4.7.-2)
Done with Samsung Tool PRO v.43.16



no unlock and lost my credits
i need a refund and a correct firmware for unlock
thanks