Since a recent update to the tether app (don't know when exactly), the tether app is refusing the router admin password. I know the admin password is correct, as I am able to access the admin interfac

Hello every one I Intend to buy one of these models : (ARCHER VR600 v2.1) (ARCHER VR900 V.2 or 3) (ARCHER AC2800) Please, Notice the fellowing : I have house of 3 levels (Each level has about 200 M²),