AT&T gave up some of its Friday losses after it announced it has activated the mid-band spectrum acquired from EchoStar.

HOUSTON -- Public Wi-Fi is available almost everywhere you go. But if you're not careful, some smartphones could automatically connect to a hacker's hotspot, without the user even knowing. Barbara ...

In under three months, AT&T upgraded its cellular network to handle the wireless spectrum purchased from EchoStar.

AT&T first introduced Wi-Fi calling in October of 2015, allowing customers to place calls over Wi-Fi in instances where a cellular connection is poor. At launch, AT&T's Wi-Fi calling feature could ...

Learn how to use AT&T WiFi Calling on iPhone to make calls in areas with poor signal strength or to make phone calls internationally without expensive fees. We’ll show you how to turn on AT&T WiFi ...

Most of us spend time in at least a few places where our phones just don’t work, whether it’s a room or two at home or at work, a favorite coffee shop, or some other signal-lacking location. That’s ...