@TrekkieDK Thank you so much for taking the time to post the issue on TP-Link community! To better assist you, I've created a support ticket via your registered email address, and escalated it to our...

@Tintronic Would you kindly see if you are able to upgrade the firmware locally? Do you have access to it? It appears from what you said that you are not even able to upgrade the firmware locally.

@ctrlaltpasta I suddenly realized that the image you sent above shows that the status is configuring. The status should be displayed as connected.Perhaps this is the reason why the settings are not...

@FarmerC Please give it a shot, and let me know if the problem persists.

@balkris Why not set the DNS server into the router instead? It is recommended to use the router to function as a DNS server.

@tk1kt Good news arrives. We intend to include this feature in the firmware that adapts our V5.15 controller, though estimated release date is unknown.Please pay attention to our official website.