![TCL 403](http://wmstatic.global.ssl.fastly.net/ml/7060324-f-1f1388b5-356e-4f8a-af3a-e0ecb346ebef.png?width=150&height=320)
TCL 403
Android 12 (Go edition)
1. Find "SIM card & mobile network"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7060324-f-2ae7371b-fe23-4b23-9f7c-ef6b3ab57beb.png?width=208&height=416)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7060324-f-a9e9874a-ddc7-414f-9487-02ebf6a272d8.png?width=208&height=416)
Press SIM card & mobile network.
![](http://wmstatic.global.ssl.fastly.net/ml/7060324-f-3ee54400-a072-4bf0-9726-27550dd48f04.png?width=208&height=416)
2. Turn use of SIM on or off
Press the required SIM.
![](http://wmstatic.global.ssl.fastly.net/ml/7060324-f-74a3dd7b-ffa7-48cf-90b8-d4750cde4c3d.png?width=208&height=416)
Press the indicator to turn use of the SIM on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7060324-f-ed960fcd-72a4-44af-b18e-65f2b27b3690.png?width=208&height=416)
Press the Return key.
![](http://wmstatic.global.ssl.fastly.net/ml/7060324-f-ed960fcd-72a4-44af-b18e-65f2b27b3690.png?width=208&height=416)
3. Select default SIM for voice calls
Press Calls.
![](http://wmstatic.global.ssl.fastly.net/ml/7060324-f-74a3dd7b-ffa7-48cf-90b8-d4750cde4c3d.png?width=208&height=416)
Press the required setting.
![](http://wmstatic.global.ssl.fastly.net/ml/7060324-f-026e92bd-b1b5-489a-ac1c-b2a6ccce4ff7.png?width=208&height=416)
4. Select default SIM for text messaging
Press SMS messages.
![](http://wmstatic.global.ssl.fastly.net/ml/7060324-f-74a3dd7b-ffa7-48cf-90b8-d4750cde4c3d.png?width=208&height=416)
Press the required SIM.
![](http://wmstatic.global.ssl.fastly.net/ml/7060324-f-df021926-d1d3-4a67-8894-b505882f44c5.png?width=208&height=416)
5. Select default SIM for mobile data
Press Mobile data.
![](http://wmstatic.global.ssl.fastly.net/ml/7060324-f-74a3dd7b-ffa7-48cf-90b8-d4750cde4c3d.png?width=208&height=416)
Press the required setting.
![](http://wmstatic.global.ssl.fastly.net/ml/7060324-f-899105a1-839a-4d0b-b50f-7e90217edad2.png?width=208&height=416)
6. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7060324-f-74a3dd7b-ffa7-48cf-90b8-d4750cde4c3d.png?width=208&height=416)