hello , i brought credits so that i could unlock my zte datacard mf667 .... as per posts here i downloaded the zte quallcomm writer software from members area and tried to update firmware downloaded from the members area. but i am getting an error and it took 4 credits from my account , i hope i would get a refund or some way to unlock my device .. posting the error report below ... please help
Model: MF667
Application port: COM8
Diagnostic port: COM7
IMEI: ...........
Firmware Version: BD_IDEAHDMF667V1.0.0B02
Build Date: Oct 12 2013 12:09:18
User: .........
User credits: .........
11/17/2015 11:26:23 PM Starting to write device...
Process: Normal Update
Verifying port mode: Port COM7
Validating file...
File to write: C:\Users\Tommy\Downloads\Airtel_BD_MF667V1.0.1B0 2.dgtk
File version: BD_MF667V1.0.1B02
Looking for attached port...
Device found
Start prepare
Changing modem to download mode...
Device DISCONNECT detected
Type: @usb.inf,%usb\composite.devicedesc%;USB Composite Device
VidPid: VID_19D2&PID_0016
Instance id: 5&21f3e49b&0&1
Device CONNECT detected
Type: @usb.inf,%usb\composite.devicedesc%;USB Composite Device
VidPid: VID_19D2&PID_0016
Instance id: 5&21f3e49b&0&1
Searching ports in diagnostic mode by VID_19D2
Reading settings...
Changing modem to download mode...
Device DISCONNECT detected
Type: @usb.inf,%usb\composite.devicedesc%;USB Composite Device
VidPid: VID_19D2&PID_0016
Instance id: 5&21f3e49b&0&1
Not found ports in download mode
11/17/2015 11:30:53 PM Writing device finished with ERROR
Model: MF667
Application port: COM8
Diagnostic port: COM7
IMEI: ...........
Firmware Version: BD_IDEAHDMF667V1.0.0B02
Build Date: Oct 12 2013 12:09:18
User: .........
User credits: .........
11/17/2015 11:26:23 PM Starting to write device...
Process: Normal Update
Verifying port mode: Port COM7
Validating file...
File to write: C:\Users\Tommy\Downloads\Airtel_BD_MF667V1.0.1B0 2.dgtk
File version: BD_MF667V1.0.1B02
Looking for attached port...
Device found
Start prepare
Changing modem to download mode...
Device DISCONNECT detected
Type: @usb.inf,%usb\composite.devicedesc%;USB Composite Device
VidPid: VID_19D2&PID_0016
Instance id: 5&21f3e49b&0&1
Device CONNECT detected
Type: @usb.inf,%usb\composite.devicedesc%;USB Composite Device
VidPid: VID_19D2&PID_0016
Instance id: 5&21f3e49b&0&1
Searching ports in diagnostic mode by VID_19D2
Reading settings...
Changing modem to download mode...
Device DISCONNECT detected
Type: @usb.inf,%usb\composite.devicedesc%;USB Composite Device
VidPid: VID_19D2&PID_0016
Instance id: 5&21f3e49b&0&1
Not found ports in download mode
11/17/2015 11:30:53 PM Writing device finished with ERROR
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