1. Find "More settings"
Press Phone.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-8a659b78-ec94-4757-baf0-0c9a92312e5c.png?width=202&height=418)
Press the menu icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b56ac45a-f1bb-45bb-9bbe-c78b03a3785d.png?width=202&height=418)
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4e61dcf5-4ce1-4556-874d-52741ea1f9b8.png?width=202&height=418)
Press More settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-fc35ed43-0b6d-442b-96ca-74dd794ff6de.png?width=202&height=418)
2. Turn call waiting on or off
Press the required SIM.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-d22dd862-ac5c-4b19-b6e5-559cafa9ae06.png?width=202&height=418)
Press the indicator next to "Call waiting" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-d22dd862-ac5c-4b19-b6e5-559cafa9ae06.png?width=202&height=418)
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-d22dd862-ac5c-4b19-b6e5-559cafa9ae06.png?width=202&height=418)