huawei y5 2018 DRA-L01 connecting fail

Hi

I want to unlock one huawei dra-l01, mtk.

SigmaKey 2.28.07b2 MTK: Get unlock codes
Android Gadget VCOM Driver (COM41), Provider: MediaTek, Driver ver.: 1.0.1121.0, Date: 5/15/2011, USB\VID_0E8D&PID_2007&REV_????
Connecting....Failed

Pls help

Cris