k3806-z unlock fail,the credit is gone

[a65333002]

Account status:
User: 01323469
Credits left: 2

Activated features:
DC-Unlocker
Huawei CDMA modem unlocker
DC Phoenix activation
HCU activation for dongle

K3806-Z Unlock cost (credits): 2

How unlock K3806-Z:
https://www.dc-unlocker.com/zte-k380...lock-procedure

Video tutorial K3806-Z:
https://www.youtube.com/watch?v=KwBTfwAoKww

Searching for ZTE modem... OK
Reading modem info... OK
Reading modem port mode... OK
Switching modem port mode... OK
Reading modem port mode... OK
Reading modem CDROM status... OK
Reading modem IMEI... OK
Reading modem model name... OK
Reading modem firmware version... OK
Reading modem dashboard version... failed!
Reading modem functionality status... OK
Awakening modem... OK
Reading SIM status... Not Inserted
Reading Lock status... OK

Readed modem info:

Modem COM port : COM1039
Mode : 0
CGMM name : K3806-Z
IMEI : 355587041958361
Firmware : EAGLE_R1.5.14
Full CGMR responce :
Modem mode
EAGLE_R1.5.14
EAGLE_R1.5.14
P4 rev: CL401862 with 0 local change(s).
Modem CDROM status : Disabled
Chipset platform : ICERA

Searching for ZTE modem... OK
Reading modem info... OK
Reading modem port mode... OK
Reading modem CDROM status... OK
Reading modem IMEI... OK
Reading modem model name... OK
Reading modem firmware version... OK
Reading modem dashboard version... OK
Reading modem functionality status... OK
Reading SIM status... Inserted

Readed modem info:

Modem COM port : COM1039
Mode : 0
CGMM name : K3806-Z
IMEI : 355587041958361
Firmware : EAGLE_R1.5.14
Full CGMR responce :
Modem mode
EAGLE_R1.5.14
EAGLE_R1.5.14
P4 rev: CL401862 with 0 local change(s).
Dashboard version : O_WM_VDFESPK3806V1.0.0B02
Modem CDROM status : Disabled
Chipset platform : ICERA
Lock status: Locked (PH-NET PIN)

10:55:24.073 Unlock procedure started!

Connecting to server... OK
Reading modem IMEI... OK
Disabling modem CDROM... OK
Switching modem port mode... OK
Send data to server... OK
Read data from server... OK
Reading modem port mode... OK
Reading modem secure data... OK
Unlocking... failed!
Send data to server... OK
Read data from server... OK
Switching modem port mode... OK
Resetting unblock retry counter... OK
Switching modem port mode... OK
Entering unlock code... failed!
Enabling modem CDROM... OK
Send data to server... OK
Read data from server... OK
Disconnected from server!

10:55:38.401 Error!

Error code = 37

[Namelocked]

Credit added back, this firmware is not supported sadly.