zte z753g aka. peragon can unlock by sigma?

SigmaKey v.2.17.09
********* Sigma dongle 2.17, Initializing…OK
Pack 1: Activated
Pack 2: Not activated
——— 2016-06-26 12:34:09 ———
SigmaKey 2.17.09 Qcom: Direct unlock
ZTE Handset Diagnostic Interface (COM123), Provider: ZTE Corporation, Driver ver.: 5.2104.1.2, Date: 3/16/2014, USB\Vid_19d2&Pid_0500&Rev_0228&MI_00
Error B7D10451:221A
——— 2016-06-26 12:34:21 ———
SigmaKey 2.17.09 ADB: Direct unlock
* daemon not running. starting it now *
* daemon started successfully *
^ Android Composite ADB Interface
Version: Linux version 3.4.0-gb9ccd38-00411-g2429159 (wangyuding@zte3) (gcc version 4.7 (GCC) ) #1 SMP PREEMPT Thu Dec 25 16:16:16 CST 2014
Phone model: zte Z753G
Android 4.4.4; Firmware: KTU84P; Date: Thu Dec 25 16:06:14 CST 2014
Version: Z753GV1.0.0B08
Baseband Processor: Qualcomm MSM8210
Preparing…You should activate required PACK to work with this model.
For more information visit Sigma – MTK, Qualcomm, Broadcom, TI OMAP based flashing, unlocking, repair IMEI solution

can unlock this in pack 2?