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1, the WiFi router running software error, it is recommended to power off the WiFi router and restart.
2. Log in to the web background of the WiFi router to check whether the WiFi router configuration has artificially reduced the wireless generation power of the WiFi router, resulting in poor WiFi signal.
3, reduce the distance between the phone and the WiFi router and physical obstacles to ensure good WiFi signal coverage quality.
4. Check whether there is a strong radio interference source around the WiFi router and mobile phone, which affects the quality of the WiFi signal.
5, take a normal mobile phone to test the WiFi to see if it can be found, if the WiFi signal is not found, there may be a hardware fault in the WiFi device.