I did. Previously I've actually posted only their second reply to my question where I've wrote that I don't really want to perform router factory reset and asked if there is another solution to...

Kevin, that would be a good but I think unsuccessful try. The official tp-link support answer (copied and pasted) to my issue, " As I know, C5400 V1 doesn't have such issue. (V2 does, but we've fixed...

Everything was tried, multiple sequential reboots, disconnect, wired, wireless, phone clients, Nothing helps. Contacted tp-link support. They said that so far no firmware upgrade for v1 is expected...

I have the same UI/web management console access issue with C5400 v.1. Any updates when the firmware fix will be available for it?

M-Ras, how did you disable network connection between your RE450 and your router only on over 2.4Ghz? Did I understood correctly that your router still broadcasts/extends 2.4 GHz SSID and your...

Well, I've tried but it seems like TP-Link support is pretty much useless, especially in analyzing such. Since they (TP-LINK) are facilitating these blogs, it is hoped that someone there is reviewing...