хt1607 unlock failed

Hi
With modem from XT1601

SigmaKey 2.28.00 Qcom: Direct unlock
Motorola QC Diag Port (COM10), Provider: Motorola, Driver ver.: 5.1.0.0, Date: 01.03.2013, USB\VID_22B8&PID_2EC1&REV_FFFF&MI_00
Firmware: MPSS.DPM.2.0.2.c1.8-00011-M8936FAAAANUZM-1
Date: May 26 2015 11:19:54, May 15 2015 05:00:00, EAAAANVZ
Software IMEI: 354140071******
Bluetooth address: 000000000000
Unlocking phone........Failed

Any chance to unlock?