Unable to connect to the server

sigma server problem

SigmaKey v.2.29.15
284516612 Sigma dongle 2.29, Initializing...OK
Pack 1: Activated
Pack 2: Activated
Pack 3: Activated
--------- 2019-01-07 09:38:51 ---------
SigmaKey 2.29.15 HiSi: Remove FRP / Huawei ID
Phone model: PRA-LX1
Version: :PRA-LX1 8.0.0.378(C02)
Preparing...Unable to connect to the server. Please check your network.