@sitaryz Glad to know that. If you are sure that you can modify the 2.4G settings when the Smart Connect is on before the firmware upgrade, I guess the developer might change this in the latest...

@sitaryz Are you still able to disable the 2.4G network if you go to the Wireless page or Advanced > Wireless > Wireless Settings page, can you still find a separate 2.4G and 5G network? Be aware...

@tekniking Is the connection you described like the below diagram? If you have opened all ports for the personal server on the AX73, and you get the public IP address on the AX73, then you should be...

@Imee1976 I want to confirm again, is the wireless on the AX20 also not stable? How about the internet LED on the AX20 when the internet drops, will it change to orange/red? This is very important...

@Retroactive Can you post a screenshot of the wireless settings on your router? You may mask the SSID and password for any security concerns.

@Rodolphe If that is the case, please monitor if you can login to the router after the reset. BTW, to enjoy TP-Link’s DDNS service, you have to log in with a TP-Link ID, so that's why it display as...