zte z933 proble to unlock pls help

SigmaKey v.2.14.02
New version 2.14.04 is available on Sigma – MTK, Qualcomm, Broadcom, TI OMAP based flashing, unlocking, repair IMEI solution. We strongly recommend to update SigmaKey!
759078886 Sigma dongle 2.14, Initializing…OK
Pack 1: Activated
Pack 2: Activated
——— 2016-01-20 15:38:42 ———
SigmaKey 2.14.02 ADB: Direct unlock
* daemon not running. starting it now *
* daemon started successfully *
^ ZTE Handset ADB Interface
Version: Linux version 3.4.0+ (xueyibing@zte1) (gcc version 4.7 (GCC) ) #1 SMP PREEMPT Sat Jun 21 11:02:30 CST 2014
Phone model: zte Z933
Android 4.3; Firmware: JLS36C; Date: Sat Jun 21 10:51:20 CST 2014
Version: Z933V1.0.0B03
Baseband Processor: Qualcomm MSM 8610 (Flattened Device Tree)
Date: Jun 18 2014 02:13:32, May 27 2014 22:00:00, BAAAANAZ
IMEI:xxxxxxxxxx97213
Reading data….Error 000000E4:DEAD