Apple 1 1 does not display the primary card and the secondary card when sending text messages.

Apple 1 1 Sometimes the main card and the auxiliary card are not displayed when sending messages, because the main card and the auxiliary card are not selected when sending messages.

1. First unlock iphone 1 1, and click enter information in the iOS 12.0.0 system.

2. After entering the information interface, click the new information icon in the upper right corner.

3. Enter the mobile phone number to send the information, and then click the content box below to enter the information.

4. After clicking the content box, a message interface will appear at the top. Green icon (main number), click the icon.

5. Click the green icon to pop up the option box, and select the major number or minor number to send the message.

6. After the last click on the secondary number, it becomes a secondary number to send text messages.