Why you can't configure it for the following reasons.1. Configuration, mobile phone, IPC, router, preferably within one meter.
2.WIFI name, password cannot have special characters, preferably English or digital.
3. The password is about 8-20 digits. Cannot use WEB network encryption (it is a public network)
4. The router's firewall, MAC filtering, and other options need to be closed. (if you need to set or close it, those who don't understand it don't need to be reminded, because they don't open it, they default by default)
5. Please check the volume of your mobile phone during configuration.
6.It must configure a network. (no network can be configured with hotspot mode)