- Click on Settings

2. Scroll down to Phone

3. Then Click Wi-Fi Calling

4. Flip the switch to enable Wi-Fi Calling

4. Click the enable button to activate Wi-Fi Calling

5. If you are not prompted to enter an emergency address you should click here.

6. Finally enter your E-911 Address.

To use Wi-Fi Calling, you need an iPhone 5c or later on a supported carrier.
Supported Major Carriers in the United States of America.
- T-Mobile
- AT&T
- Verizon Wireless
- Sprint
For more carriers click HERE