I am trying to setup my RE450. I tried using the tether app, I was able to find my router and enter the password. Screen stated router connected. When trying to find the device, all I get is the revolving search led which never finds the device. I could not move forward. That is all I could do. I then tried the ip 192.168.0.254 (This site can’t be reached), next I tried the website http://tplinkrepeater.net  (If you're connecting to the Router directly, you will be unable to access the Range Extender's management page by using http://tplinkrepeater.net.) So I finally used the WPS method and all lights are on and constant. My question is am I really connected and how do I get into the extender settings so I can validate data and update firmware?