Huawei Honor Enjoy 7 (DUA-AL00) imei repair failed

SigmaKey v.2.29.15
2576***** Sigma dongle 2.29, Initializing...OK
Pack 1: Activated
Pack 2: Activated
Pack 3: Activated
--------- 2019-01-24 09:32:49 ---------
SigmaKey 2.29.15 MTK: Repair IMEI
MediaTek USB VCOM (Android) (COM53), Provider: MediaTek Inc., Driver ver.: 3.0.1504.0, Date: 1/22/2016, USB\VID_0E8D&PID_2007&REV_????
Connecting....Failed