@SledgehammerNL What fixed my issue is this. I contacted support.sg@tp-link.com. They gave me a beta software after not being able to find the cause issue. Even until now I do not know what is the...

@SledgehammerNL Are you using dual wan / load balancing router?

Hi All, I receive notifications in my phone that my controller went offline and then online again right away. This happens very frequently, like every few minutes, randomly. Please see screenshot...