@max53 Hi, it seems that your DDNS provider is different, on the MR600 DDNS settings page, please select Dyndns and then click "Go to register...", you will be able to register a DynDNS domain name...

@BillSt Hi, WPS button is only used to clone wireless settings from the router, it doesn't matter if your router doesn't have a WPS button. To install the powerline adapter and extender, please pair...

@Jabees Hi, right now multiple devices could connect to the Ubiquiti AP via WiFi or Ethernet cable at the same time to get internet, right? If so, powerline adapters or extenders should be able to...

@Ruben-06 You mean wireless password or login password of the web interface? For wireless password, after configuring the extender successfully, it shares the same wireless password as your main...

@taurus-461 Hi, do you mean using smartphone as USB modem and smartphone connects to MR3420 via USB port? If so, we are unable to guarantee the compatibility because usually it should be USB modem...

@max53 Hi, please use the same username and password to login DynDNS website to see if it works, then double check if the domain name is also entered correctly, if so, please share with us...