@dejudicibus Assuming the Ethernet plugs in your rooms all go back to the main router, even through a switch, you should be good to go. If there is another router between the main router and the...

I received a response from support that resolves the login issue. It turns out if you have a virtual network adapter from Virtual box or VMWare, it interferes with the update app. I use Virtual Box...

@Tony I just got a set of M9 Plus devices. Same issue; old firmware on them, can't login to the updater app to download new firmware. Login confirmed on tplinkcloud.com. I've tried to contact support...