My Galaxy S4 has very poor reception in our home. When I first got it, it was pretty good, but the longer i have had it, it seems the worse the connectivity is. I have to go from room to room to try and get a decent signal. I get 3G (should be 4G according to the map), but as soon as I press "send" it drops to a 1x, and might... again i say might, get a connection. most times it just "ends call" then goes back to 3G. The same thing happens with text messages. Most times when I hit send, the indicator just spins and spins then "failed", and I try again. battery life is very low as well. I restart my phone, and it will work for a while, but then it goes back to doing it all over again. My wife's S4 does the same thing...
Do we live on an ancient burial ground or something?... 
anyone out there with the same issue?