@Powel Hello, I see you have contacted our local support, thank you for time with troubleshooting. We would like to have a specialist look into this further via email. Please check your mailbox...

@Hkwok From the cloud, it seems your smart plug is working now, may I know did you resolve the issue now? If not, can you let us know the model, firmware and hardware of your smart plug, and let us...

@Aws_new Kindly refer to this thread and change router' s 5Ghz channel to 36/40/44/48 with the help from router's support. [Troubleshooting] TP-Link Range Extender is not detecting the 5GHz Signal of...

@Gaetanodm Click you own profile or the right top to check Message box

@janjalovy Thank you for your update, your case will be escalated to our seniors, please check your inbox,they will help look into the issue.

@Throgar Thank you for the video , our seniors will look into the issue.