Wireless network technology is in a constant state of advancement. Just years ago, swooning over 3G-capable phones wasn’t as heinous as it sounds today, and we’re already in a world where the majority of some countries is blanketed with LTE networks. The natural next step in the evolution is the adoption of voice-over-LTE / HD voice technology in order to improve the dying voice call. And AT&T is continuing that momentum with updates to a portion of its smartphone fleet, including through this Galaxy S4 Mini VoLTE update today.The update is only for AT&T-branded units ...
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