Can't use AT&T's Wi-Fi calling with your iPhone? This could be why - The Verge
International Business Times | Can't use AT&T's Wi-Fi calling with your iPhone? This could be why The Verge For the launch of the iPhone 6S, I elected to buy the T-Mobile version from Apple instead of the AT&T one, because I was planning on paying full price for the phone and the T-Mobile one comes unlocked out of the box. (I don't plan on leaving AT&T, ... iPhone 7 Rumors: Everything We Know So Far About Apple Inc.'s 2016 Smartphone Apple Loop: iPad Pro Launch Date, Anger As Samsung Chips Hurt iPhone Battery ... Watch Every iPhone Ever Face The Ultimate Speed Test |