Here’s the connectivity guide, and the page for using RouteThis Helps for troubleshooting. You may need the results from the RouteThis Helps to put in a trouble ticket, or if you get on the phone with support.
https://support.wyzecam.com/hc/en-us/articles/360012903431-Connectivity-issues
https://support.wyzecam.com/hc/en-us/articles/360013592611-RouteThis-Helps