From the Home screen, tap Settings.
Scroll to Phone.
Tap Phone.
Tap Wi-Fi Calling.
Tap or slide the Wi-Fi Calling on This iPhone slider to the on position.
Tap Enable.
If necessary, confirm or update your emergency address information.
Tap Phone.
Tap Calls on Other Devices.
Tap or slide the Allow Calls on Other Devices slider to the on position.
If your iPhone has previously connected to a Wi-Fi network, your Apple Watch will automatically connect and enable. If a cellular plan has been added, the option to control Wi-Fi calling may not be visible within the Watch app, but will still work.
You've completed the steps!
