Connect your phone to a Wi-Fi network
Open your phone’s Settings
Tap Cellular, Mobile Network, or Connections
Find Wi-Fi Calling
Turn Wi-Fi Calling on
Enter or confirm your emergency address if prompted
Make sure your carrier supports Wi-Fi Calling
Keep Wi-Fi enabled when making calls
Dial the number or use your contacts as usual
Check for a Wi-Fi Calling icon on your screen
If it does not work, restart your phone and try again