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-02ec09b6-9af6-40aa-b41f-286113d18907.png?width=204&height=442)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-aa68be3d-ba3a-4f62-84b3-3165c43b846d.png?width=204&height=442)
Press Connections.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-f4fd414b-187d-485c-8dfb-668b779d2fa8.png?width=204&height=442)
Press SIM card manager.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-039dbc8e-2783-4111-893d-efa12514ce2c.png?width=204&height=442)
2. Turn use of SIM on or off
Press the required SIM.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4232d879-ed6a-4942-a941-b549ee641371.png?width=204&height=442)
Press the indicator to turn use of the SIM on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-f44901e0-4ea4-4aa5-9a16-365c4c803a4c.png?width=204&height=442)
Press the Return key.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-f44901e0-4ea4-4aa5-9a16-365c4c803a4c.png?width=204&height=442)
3. Select default SIM for calls
Press Calls.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4232d879-ed6a-4942-a941-b549ee641371.png?width=204&height=442)
Press the required setting.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-47966811-1fda-4034-ae86-b00fe635d6ed.png?width=204&height=442)
4. Select default SIM for text messaging
Press Text messages.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4232d879-ed6a-4942-a941-b549ee641371.png?width=204&height=442)
Press the required SIM.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-06b3bdd0-b1fa-46fb-ab12-1bf2ad38910b.png?width=204&height=442)
5. Select default SIM for mobile data
Press Mobile data.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4232d879-ed6a-4942-a941-b549ee641371.png?width=204&height=442)
Press the required setting.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-0b5fcfe2-4114-469c-bd81-d9a7459c60e4.png?width=204&height=442)
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-4232d879-ed6a-4942-a941-b549ee641371.png?width=204&height=442)