The extender is also called an AC1750

I have an RE450 extender that I am not using. My brother in law is trying to connect it to his network without luck. He tried resetting it to factory defaults. It is asking him to login to my tp link...

I have two RE450 TP Link range extenders connected to my network. I installed the Tether app on my iphone. I could see both extenders. When I clicked on one, it asked me to login. It did not like the...