If your camera has lost WiFi connection, and you need to clear the WiFi information, or you just want to clear the current WiFi settings for the camera, check below.
Applies to: All Reolink WiFi cameras and battery-powered WiFi cameras
Since there is no clear WiFi option on the camera's WiFi settings page, you need to reset the camera to remove the WiFi settings: How to Hard Reset Device by Pressing the Reset Button
The restore option of the camera on the Reolink software cannot remove the WiFi settings for the camera, so you need to hard reset the camera if you want to clear the WiFi information.