My Robot Vacuum Failed to Connect to Wi-Fi

1. The Wi-Fi signal is poor. Please make sure the robot vacuum is in an area with good Wi-Fi signals.
2. Wi-Fi connection is abnormal. Please reset the Wi-Fi and download the latest app and try again.
3. The password is entered incorrectly. Please check.
4. The robot vacuum only supports the 2.4 GHz, frequency band. Please connect to a 2.4 GHz Wi-Fi.