error repair conect phone meta mode ?????

SigmaKey v.2.17.00
Sigma dongle 2.17, Initializing…OK
Pack 1: Activated
Pack 2: Activated
——— 2016-04-26 10:22:41 ———
SigmaKey 2.17.00 MTK: Repair IMEI
Gadget CDC VCOM Driver (COM12), Provider: MediaTek Inc., Driver ver.: 2.0.0.0, Date: 12/24/2011, USB\Vid_0e8d&Pid_2007&Rev_????
Connecting…Failed

allview e4 model
mtk 6735

imei repair ?????