gb key zte blade 3 unlock problem

here is log:

GBKey 1.57

Model selected : ZTE Blade 3

Detecting serial port...

Detected : ZTE Handset Diagnostic Interface(DFU) (COM39)

Model : ICS_P772N10_MTSV1.0.0B01

Version : ICS_P772N10_MTSV1.0.0B01

IMEI : 866643013185905

Connecting...

Connected to server Ok

Checking GBKey...

GBKey Ok

Sending Loader...

Connecting...

Connected to server Ok

Checking GBKey...

GBKey Ok

Security data is corrupt !!!



gb key team please help!



phone working with original sim card...

via Welcome to gsm-tips http://forum.gsmhosting.com/vbb/f702/gb-key-zte-blade-3-unlock-problem-1751517/