The wireless carrier is expanding its existing Wi-Fi calling and texting service with promises of more coverage in the home and in the air.
CNET editor Dong Ngo explains how Wi-Fi calling works with the latest smartphones, including the iPhone 6 and 6 Plus, and picks the top five routers that are best for this technology.
AT&T exec Ralph de la Vega also says he expects customer turnover to remain near record-low levels in the current quarter.
Sprint customers traveling overseas get a boon with the carrier's added Wi-Fi calling feature, starting with the Galaxy S4.
iOS 8's support for Wi-Fi calling means that iPhone owners will finally get in on a feature that Android and Windows Phone owners have had for years.
The Samsung smartphone marks the fourth Sprint device to receive the free calling capability.
Sprint's new service lets subscribers use Wi-Fi hot spots to make phone calls and send text messages. The move should help improve coverage for Sprint customers, especially indoors.
The Kirlian Device shines a light in different colours depending on Wi-Fi signal strength, allowing creator Luis Hernan to create paintings in light.
The carrier has confirmed that the Google Nexus 5 will not support voice over a Wi-Fi network.
The way we talk on phones may change with new messaging apps, half of Apple mobile devices upgraded to iOS 8, and Polaroid Cube takes a different approach to video capture.