How to close the secondary card of Apple mobile phone?

Apple's mobile phone secondary card can only disable or turn off data. If you don't want to use it, just disable it. The specific steps are as follows:

1. Open the Apple phone, find the settings on the phone desktop, and click Enter;

2. After entering the settings, find the cellular network to enter, as shown in the following figure:

3. Click the secondary number at the mobile phone number to input, as shown in the figure below:

4. At this time, you can see that the secondary card of the mobile phone is enabled, as shown in the following figure:

5. Slide the switch to the left to close the secondary card, as shown in the figure below: