khi pmm auth thi nó báo như nè :Authenticating using security server ...
Connecting to server[main.mxkey.biz] ...MXKEY SX4CARD - ID, hello 113.168.186.194
SUPERDONGLE get challenge failed !
Retrying ...
SERVER->Served by MXKEY - BLADE X at host4, agent version 1.1 revision 0.5

Authenticating using security server ...
Connecting to server[main.mxkey.biz] ...MXKEY SX4CARD - ID, hello 113.168.186.194
Bad phones ack, probably SUPERDONGLE_KEY corrupted !
Wrong response to SD verify request
Retrying ...