You're thinking in terms of on-the-map coverage. Real-world coverage is affected by stuff in the way. I know plenty of people who can just barely get texts on a

You're thinking in terms of on-the-map coverage. Real-world coverage is affected by stuff in the way. I know plenty of people who can just barely get texts on a good day unless they go outside and wave their phone around. Phone calls are out of the question without Wi-Fi.