Can't connect Android phone to DVR - DirecTV

My Android phone which is Verson 4.4.4 cannot connect to my DVR. The app does at least open and allow me to sign in, but when I try to register my DVR I get the neverending circle with "Registering your DVR" that eventually tells me "We couldn't connect to your DVR. Please Try Again. (100)". I have the HR-54 Genie I think which was installed several weeks ago as a replacement for my now defunct GenieGo which, by the way, used to work wonderfully for me. Now, my tablet won't work because it doesn't have the right Android version, and my phone won't work either.

This question, "Can't connect Android phone to DVR," is about DirecTV channels, programming, equipment, and sports.