@pipexhf The november version is Archer AX50(US)_V1_1.1.2 Build 20251022. You are far behind with the v1.0.6. This could be a reason for the error message. Use Archer AX50(US)_V1_1.0.16 Build...

@MgFrobozz Make sure that Security, Version and Encryption for 2.4 GHz band are as follows: If the issue persists set the Mode to 802.11b/g/n mixed and try again.

@AmyinChina There's no easy way to do what you want with home grade TP-Link routers - they don't support VLANs hence you can't separate the IoT devices traffic in a different VLAN. Apart from that,...

@scarsone Yes, it should support an ethernet backhaul - check this post.

@Vaimg In general as it is noted on the FW download page: IMPORTANT: Model and hardware version availability varies by region. Please refer to your TP-Link regional website to determine product...

@Ali2009 You can manage your router either with Tether app or via its WegGUI, which is accessible at http://tplinkwifi.net in your local network.