@Kevin_Z Yesterday, I installed different network analysis tools and noticed that my ISP's modem and the TP-Link router shared many channels. In result, I performed the following modifications, and...

@Kevin_Z When 2.4G stops working, I confirm that I can still see it on the list of devices and connect to it; however, I will not have an internet connection. In such case, my smartphone shows an...

@Kevin_Z I seem to have the same type of error with 2.4G on Archer A20 v1.0 US with the latest stable firmware version: 1.1.1 Build 20191026 rel.10453(5553) Basically, the 2.4G Wi-Fi spot loses...