K3806-Z Unlock Failed

[Indika]

I tried to unlock my K3806-Z , But I was failed unlock, Please go through the attached log

please help

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... OK
Reading modem functionality status... OK
Reading SIM status... Not Inserted
Reading Lock status... OK

Readed modem info:

Modem COM port : COM10
Mode : 0
CGMM name : K3806-Z
IMEI : 86424XXXXXXXXXXXX
Firmware : DLG_SRI_K3806V1.0.0B05
Full CGMR responce :
BD_K3806V1.0.0B01,K3806-Z,K3806-Z.0.03,ZTE CORPORATION,PCW_DLGLKAICEV1.0.0B01,PCW_DLGLKAICEV1 .0.0B05,PCM_DLGLKAICEV1.0.0B01,PCM_DLGLKAICEV1.0.0 B05,PCL_DLGLKAICEV1.0.0B01,PCL_DLGLKAICEV1.0.0B04, DLG_SRI_K3806V1.0.0B05
Dashboard version : WM_CUCHN2GMFK3806EV1.0.0B04
Modem CDROM status : Disabled
Chipset platform : ICERA
Lock status: Locked (PH-NET PIN)

00:19:12.045 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... failed!
Switching modem port mode... OK
Enabling modem CDROM... OK
Send data to server... OK
Read data from server... OK
Disconnected from server!

00:19:27.796 Error!

Error code = 37

[Vincentas]

Make sure you are using latest software , try to connect dongle to another usb port - do not use any USB hubs or usb cable extensions.
Try to restart modem and repeat unlock.

[Indika]

Hi Vicentas,

I did all things you have mentioned above, But again unlock failed,

please advise,

Thanks and best regards,
Indika

[Vincentas]

Hi Vicentas,

I did all things you have mentioned above, But again unlock failed,

please advise,

Thanks and best regards,
Indika

Sorry, we will not be able to unlock this version model. Refund has been done after you contacted by live chat.