From the Home screen, tap the Phone icon.
Tap the Menu icon.
Tap Settings.
Tap Calls.
Tap Wi-Fi Calling.
Tap or slide the Wi-Fi Calling switch to On.
If necessary, follow onscreen instructions to enter a US address for use in the event of an emergency call. You can update this address at any time.
Tap Network preference.
Select your preference.
You've completed the steps!
