@Solla-topee I followed your above instructions for Case 1, but the RE is still doing the same thing. It disconnects from the internet and when I try to reconnect to it it gives the error message...

@Solla-topee I realized that the problem is that my IP address periodically changes due to the ISP contract I'm on. When I turn the RE off, then on, it gets the new IP address and I'm able to surf...

I configured my TL-WA850RE using the TP-link Tether App because I'm unable to access the web manager and I don't have an ethernet cable. Initially, I'm able to surf the internet, but then after 5 -...