Fizz mobile subscribers now have access to Wi-Fi Calling, allowing users to place calls and send text messages over a local Wi-Fi connection when cellular reception is weak or non-existent. The carrier recently updated its website with an official Wi-Fi Calling support guide detailing the full rollout and exact setup steps. Select Wi-Fi Calling. How to Enable Wi-Fi Calling on SamsungOpen the Phone app. Users must also configure an emergency address within their phone’s Wi-Fi Calling settings to ensure proper location tracking for 911 services.