1. Find "SIM card manager"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-ba8fe847-7002-4336-9120-a2616927c3ca.png?width=204&height=454)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-c1d3dfac-a61d-4197-84ae-44d0ed1a1757.png?width=204&height=454)
Press Connections.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-5ca7f918-cf74-42cc-8528-2bc3741a7567.png?width=204&height=454)
Press SIM card manager.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-126de7af-d313-4312-b12d-bb87977ef6c0.png?width=204&height=454)
2. Turn use of SIM on or off
Press the required SIM.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-403c84ef-1c0f-40df-8784-ca35bfd865fe.png?width=204&height=454)
Press the indicator to turn use of the SIM on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-83d433ba-8308-4e0a-ac88-be3b0ed64e4e.png?width=204&height=454)
Press the Return key.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-83d433ba-8308-4e0a-ac88-be3b0ed64e4e.png?width=204&height=454)
3. Select default SIM for calls
Press Calls.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-403c84ef-1c0f-40df-8784-ca35bfd865fe.png?width=204&height=454)
Press the required setting.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-cacac446-f84e-4feb-b1d9-1361aaf0fc40.png?width=204&height=454)
4. Select default SIM for text messaging
Press Text messages.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-403c84ef-1c0f-40df-8784-ca35bfd865fe.png?width=204&height=454)
Press the required SIM.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a53d81af-9627-4714-af9e-db2b6c9c3b63.png?width=204&height=454)
5. Select default SIM for mobile data
Press Mobile data.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-403c84ef-1c0f-40df-8784-ca35bfd865fe.png?width=204&height=454)
Press the required setting.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-eaff772b-d481-4f3f-b6e8-ec22390b24b4.png?width=204&height=454)
6. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-403c84ef-1c0f-40df-8784-ca35bfd865fe.png?width=204&height=454)