![One NZ Smart P12](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-7c8c9eee-bd9e-43d7-aea5-ff30e3efe462.png?width=150&height=320)
One NZ Smart P12
Android 11.0 (Go edition)
Turn Wi-Fi calling on or off
When Wi-Fi calling is turned on, you can make and answer calls using a Wi-Fi network when you're in an area with little or no network coverage. To turn on Wi-Fi calling, you need to establish a connection to a Wi-Fi network and select 4G (LTE) as network mode.
1. 1. Find "SIM card settings"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-2c8b6aab-5557-4c42-8187-ff72f93fda80.png?width=206&height=412)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-624549b6-e284-4b8e-a6de-4254f9eb1365.png?width=206&height=412)
Press SIM card & mobile network.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4e648a4f-0739-47de-bb34-d27a0c43211b.png?width=206&height=412)
Press SIM card settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a210dbe8-b391-48b7-8c7d-49b89f9dab8b.png?width=206&height=412)
2. 2. Turn Wi-Fi calling on or off
Press the name of the SIM.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-37f2fcdb-136c-4b0b-8da4-3611afe04e57.png?width=206&height=412)
Press Wi-Fi calling.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-2cf763df-cd85-479e-b882-a0e8cfbbb62d.png?width=206&height=412)
Press the indicator to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-497cc4db-bffd-4195-9bfb-92d8b94c617a.png?width=206&height=412)
3. 3. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-497cc4db-bffd-4195-9bfb-92d8b94c617a.png?width=206&height=412)