please helpme

hi, i have a problem with repair imei g7

here log:

SigmaKey v.2.18.00
280976909 Sigma dongle 2.18, Initializing…OK
Pack 1: Activated
Pack 2: Activated
——— 2016-07-28 17:12:02 ———
SigmaKey 2.18.00 Qcom: Restablecimiento de IMEI
DBAdapter Reserved Interface (COM67), Proveedor:: Huawei Incorporated, Versión de drivers:: 2.0.6.714, Fecha: 13/01/2012, USB\VID_12D1&PID_1035&REV_????&MI_04
Eliminación de protección de firmware……………………………Ha sido imposible conectarse al servidor. Chequee el acceso a la red.
——— 2016-07-28 17:14:17 ———
SigmaKey 2.18.00 Qcom: Direct unlock
DBAdapter Reserved Interface (COM67), Provider: Huawei Incorporated, Driver ver.: 2.0.6.714, Date: 13/01/2012, USB\VID_12D1&PID_1035&REV_????&MI_04
Removing firmware protection……………………………Unable to connect to the server. Please check your network.

please help

thanks