@zageng I haven't responded, because there's nothing more I can help you with. I have TL-WR841N V9 on which this works - see this story. I've already posted the screenshots of what worked for me. If...

@zageng I have explained that in details in your older thread. Here you can find the official TP-Link guide for configuring Access Control on your device.

@HarishRN Here's how to hard reset (Method 1) your router. If that doesn't work, you can contact your local support center and explain them what you've done so far.

@zageng In your user guide there's an example for that using Access Control - Chapter 10 - just skip step 3 (configuring Access Control >Target). In the Access Control > Rule the Target field should...

@ti_sami Use this guide to configure the device as an AP.

@NILOYERSHAD2020 Here are the device specs - check the wi-fi speeds and ethernet ports sections to find the information requested.