How does the dual card close one of the traffic?

1. Click on dual card and mobile network: find the option of clicking on dual card and mobile network in the setting interface.

2. Select the card slot to close: In the interface of dual card and mobile network, you can see the information of two SIM cards inserted, and click the card slot to close the traffic.

3. Turn off mobile data traffic: in the detailed setting interface of the selected card slot, find the option to turn off mobile data.