@MikeS21 Well, 'we' do not know the phones in question for one? Might have been connected to 2.4Ghz before even. Sometimes one has to FORGET the network to have it work possibly? Speaking of...

Cristi... wrote @Kevin_Z In theory, the router is doing his magic and everything works well. In practice, it makes me doubt that it is using a smart algorithm. What's so smart about putting the 3...

@GWMinUSA I wonder if the "Your Internet security settings suggest that one or more files my be harmful. Do you want to use it anyway?" is coming from your Security Suite, now Windows? It might be...

@Aabingunz Thanks, a lot of good info there. One thing missing though, if you were to connect via Ethernet to the router, what is the speed then? That might help pin-point the possible problem. Right...

@Aabingunz Could be a number of things. One would be the cable to the router. However, you are not clear in your problem description? Aabingunz wrote Hello Tp-Link Community Can you please help me...

@bcraref That, linke in most routers are to support Hard Drives. See the USER MANUAL @ https://www.tp-link.com/us/user-guides/archer-a7&c7_v5/usb-settings-us-4.0 and I don't even think it supports...