Zte z222 not unlock..

ZTE Z222 UNLOCKING ERROR...


SigmaKey 2.29.12 Qcom: Direct unlock
ZTE Handset Diagnostic Interface (COM198), Provider: ZTE Corporation, Driver ver.: 5.2088.1.1, Date: 6/20/2012, USB\VID_19D2&PID_0010&REV_0000&MI_01
Version: ATT_AM_P671B41V1.0.0B13-S, Z222Mar 28 2014
Firmware: ATT_AM_P671B41V1.0.0B13-S
Date: Mar 28 2014 08:52:31, Dec 30 2011 06:00:00, KPRZL
Software IMEI: 869265019036135
Bluetooth address: 9E80E3F5CB4C
Phone model: ZTE Z222
Missing response from boot