please help unlock error ZTE 970


SigmaKey 2.15.00 ADB: Direct unlock
* daemon not running. starting it now *
* daemon started successfully *
^ ZTE Handset ADB Interface
Version: Linux version 3.4.0-ga0dde4d-00073-gd06ffb5 (xueyibing@scm12) (gcc version 4.7 (GCC) ) #1 SMP PREEMPT Wed Aug 19 05:38:42 CST 2015
Phone model: zte Z970
Android 4.4.4; Firmware: KTU84P; Date: Wed Aug 19 05:21:01 CST 2015
Version: Z970V1.0.0B33
Baseband Firmware: .3.0.c9.6-00021-M8926DAAAANAZM-1
Obtaining root privileges…NO
Preparing….Reconnect phone and try again