Enable Wi-Fi Calling (VoWiFi) on Samsung Galaxy S9+

  1. On main page swipe screen up
  2. ​Select (Settings)
  3. And then (Connections)
  4. Select (Wi-Fi calling)
  5. On Wi-Fi calling page, tap turn on, a button will turn green, a pop up for selection will appear
    • Wi-Fi preferred : if device found mobile network and connected Wi-Fi, to make call-receive call will be done via Wi-Fi calling
    • Mobile network preferred : if device found mobile network and connected Wi-Fi, to make call-receive call will be done via Mobile network, if there’s no mobile network, call will be through Wi-Fi network (default)

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