@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...

@Mdirfan We have reported the issue to the support engineers, they will likely reach out to you via email to continue to troubleshoot your issue.

@NarenderModi @Wetterhahn Thank you both for reporting the issue again. Can you please confirm again that when the 2.4G disconnects from the internet, are all the 2.4G clients still showing connected...