AT&T has only had Wi-Fi calling on the iOS lineup, the iPhone 6, 6 Plus, 6S, 6S Plus, and SE are all the iOS devices that support AT&T's Wi-Fi calling. But Android users have been left in the dark without the option of hooking up to a Wi-Fi network to shoot out some text messages or place calls when out in a dead zone. AT&T's Wi-Fi calling works much like any other carrier's. All of the device's calling and sms traffic can be handled entirely over a Wi-Fi connection without relying on any additional apps. All phones that support AT&T Wi-Fi calling as of June 15 2016 The only...
Source: http://www.gsmarena.com/at_t_wifi_calling_now_on_android_but_only_the_lg_g4_for_now-news-18847.php
