1. Change the cable connection can be connected to explain the WIFI problem;
2. The wired connection is also no network, turn off the mobile phone WIFI, open the hotspot function, the set-top box connected to the mobile phone sharing network try, you can connect to indicate that there is no external network;
3. Plan 2 can not please try someone else's home, change the network environment;
4.123 Restore factory Settings and reconnect.
5. The above methods have failed, please contact customer service to return to the factory for testing