1. To turn on or off Wi-Fi Calling, swipe down from the top of the screen and tap the Wi-Fi Calling icon.
    LG G4 Wi-Fi calling settings in notification bar
  2. First-time users will be prompted to verify their emergency address. Tap CONTINUE.
  3. Tap GET STARTED.
    LG G4 Wi-Fi Calling
  4. Tap Continue.
  5. Tap Continue.
  6. Read the on-screen prompts, enter your Emergency 911 Address, then tap Verify address.
  7. Verify the address and tap Use this address.
    Note: If the address is not correct, tap Enter a different address to re-enter the address.
  8. When setup is complete, tap OK.
  9. When your phone is connected to Wi-Fi, Wi-Fi Calling is on, and a cellular connection is unavailable or poor, you'll see the Wi-Fi Calling icon in the notification bar.
  10. Making a call is the same whether on cellular or Wi-Fi. From the home screen, tap Phone, dial the Desired number, and then tap the Call icon. You can tell that a call will go over Wi-Fi when you see a Wi-Fi icon within the Call icon.
    Note: To learn more see About Wi-Fi calling or visit www.att.com/wificalling.