@Tony The path you describ below doesn't exist in my Tether app. When I go to Setting is see Language, Notifications, Rate Techer, Share, and About.. ???? But, I found the Extended Network page in...

My unit is actually a AC750/RE220 unit. I set up the unit with my modem using the Web browser method and it seemed to set up OK. The problem is, the extender shows up as a separate rounter from my...