![FAIRPHONE Fairphone 3](http://wmstatic.global.ssl.fastly.net/ml/7070823-f-bc4e5db4-1b2d-4578-aa59-32ec03b82649.png?width=150&height=320)
FAIRPHONE Fairphone 3
Android 9.0
1. Find "SIM cards"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7070823-f-d0310aab-55d7-4c46-b4c5-d08f2f15f264.png?width=196&height=392)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7070823-f-e4c8adee-fe29-4bed-96d1-aefcfb4c510c.png?width=196&height=392)
Press Network & Internet.
![](http://wmstatic.global.ssl.fastly.net/ml/7070823-f-93f75d07-9262-48ac-a445-903a476b10a0.png?width=196&height=392)
Press SIM cards.
![](http://wmstatic.global.ssl.fastly.net/ml/7070823-f-8638ceef-e045-47d1-ac69-4c268cdc9b4e.png?width=196&height=392)
2. Turn use of SIM on or off
Press the indicator next to the required SIM to turn use of the SIM on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7070823-f-f59437ac-7542-48d9-a8e5-ea55a5f08e32.png?width=196&height=392)
3. Select default SIM for mobile data
Press Cellular data.
![](http://wmstatic.global.ssl.fastly.net/ml/7070823-f-f59437ac-7542-48d9-a8e5-ea55a5f08e32.png?width=196&height=392)
Press the required SIM.
![](http://wmstatic.global.ssl.fastly.net/ml/7070823-f-441537fc-15e5-4d7b-a0c5-ec6fa462d420.png?width=196&height=392)
4. Select default SIM for voice calls
Press Calls.
![](http://wmstatic.global.ssl.fastly.net/ml/7070823-f-f59437ac-7542-48d9-a8e5-ea55a5f08e32.png?width=196&height=392)
Press the required setting.
![](http://wmstatic.global.ssl.fastly.net/ml/7070823-f-c16af52b-00f8-4396-a430-dda57dd095b7.png?width=196&height=392)
5. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7070823-f-f59437ac-7542-48d9-a8e5-ea55a5f08e32.png?width=196&height=392)