Why do I lose wifi signal while I'm on the phone? If I'm just using the handset for browsing or downloading or whatever, the wifi signal is strong and constant at both my house and my parents' house. If I make a call, however, the phone almost always loses wifi and can no longer find the network... until I hang up. Then it picks up the network just fine... until I make another call. I cannot get it to stay connected. The weird thing is, the phone will detect all other networks in the area when I'm making a call, but once it loses my home network it can no longer find it until I hang up. What's going on?