You can reset you router - just follow this procedure: https://reset-routers.com/routers/hard-reset-tplink-tlwr840n/

If your router WAN IP address is different that your public IP address, that means you have an intermediate device (ISP modem/router) before your router. Try to access your FTP server by public IP...

Yes, that's right - they will load balance and will provide you theoretically a single 2 gbps connection to your device. In your router for example set port 1&2 as members of LAGG and enable it. In...

Yes, you can. Being a NAS is just an example. Just keep in mind that the TP-Link products support only L2 link aggregation. That means if you have to use the MSI MB with LAGG, then you should...

If you have another device before AC1200 router (ISP modem / router) then that deice might block SSH port. How is your ISP providing the service - direct LAN cable to your home or they have installed...

If I were you, I would go for Archer AX10, since wi-fi 6 is backward compatible with wi-fi 5 clients. Also in perspective, more and more devices would be wi-fi 6 capable so look at that as an...