If the WIFI indicator of IIC-800-WIFI flashes quickly, but cannot connect to WIFI.
Please make sure that the Bluetooth and location permissions of the mobile phone are turned on, the router transmits 2.4GHz wifi.
Router settings:
Wireless protocol: 802.11 b/g/n, but cannot be set to 11n only;
Security mode: WPA/WPA2
Authentication type: AES
Enable DHCP service
When pairing, please place IIC-800-WIFI next to the router as much as possible, which can avoid unstable signal and cause connection failure.
For more details, please refer to this post: