Caused by a problem with the TV's network Settings; You can enter the network Settings interface and reset the WiFi signal at home.
If the router Settings are faulty or the router is faulty, you can restart the router to solve the problem. Or restore the router to factory Settings and reset the network parameters to solve the problem; If the router hardware is faulty, you need to contact the after-sales service to repair or replace the router.
It is recommended that you connect to the TV after resetting the router. The Settings of the wireless router that the TV can identify are as follows: The authentication mode is Open, the WEP encryption mode is 64Bit, the key mode is ASCII, the key can be any one, and the password must be set to 5 bits. Or you directly connect the network cable to try, is not the router problem.