@Wetterhahn Hi, to locate this issue and try to fix it, we would like to follow up on your case via email. Please check your inbox and provide the information that we need.

@Nwar Regarding the error message, have you checked if you are connected to the guest network? Try to disconnect from the network and reconnect, ensure there are no Parental Control settings for the...

@Pomster10 May I know the model of your Deco? Please give me the MAC address of the main Deco in your network, which is linked to your TP-Link account? You may send it to me via PM, thanks.

@Markus_NIT Hello, do you own a WR802N router, and it is working in Client mode? Generally, the router will no longer be used for a wireless connection when you configured it into Client mode, you...

@sharkany Can you explain the issue in details, then we can investigate? Thank you.

@Cynix Thank you for all the tests. Do you mean the Wi-Fi Calling no longer works even you have set the security to WPA2-PSK, AES? To locate this issue and try to fix it, we would like to follow up...