29.03.2017 13:47 Uhr, Quelle: Engadget

O2 becomes the last major carrier to enable WiFi and 4G calling

It took a while, but O2 has become the last of the four major UK carriers to launch WiFi and 4G calling on its network. The company confirmed today that iPhone 7 and iPhone 7 Plus owners can now make calls in "notspots" when a wireless connection is

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