Samsung Galaxy S9, S9+, S8, S8 Plus, S7, S7 edge, A3 (2017), A5 (2017):
- Connect your phone to WiFi
- From the home screen, tap Phone
- Tap the Menu icon
- Tap Settings
- Scroll down to the Wi-Fi calling switch and toggle it On
Samsung Galaxy S6, S6 Plus, S6 edge, S6 edge Plus, A3 (2016), A5 (2016):
- Connect your phone to WiFi
- From the home screen, tap Phone
- Tap More in the top right corner
- Tap Settings
- Scroll down to the Wi-Fi calling switch and toggle it On
Samsung Galaxy S5, S5 Neo:
- Connect your phone to WiFi
- From the home screen, tap Phone
- Tap the Menu icon
- Tap Settings
- Tap Call
- Scroll down to the Wi-Fi calling switch and toggle it On