On the other hand, I switched to an iPhone being a previous AT&T customer in Arizona. I have had more issues with dropped calls and unreceived calls than I had

On the other hand, I switched to an iPhone being a previous AT&T customer in Arizona. I have had more issues with dropped calls and unreceived calls than I had with my previous phone. In fact, people have started to call me multiple times just in case the first time I didn't answer was a fluke.