Apple 1 1 Where can I set the major and minor numbers?

When using an Apple mobile phone, you can set the card as a major number and a minor number. Here's how to set major and minor numbers.

1. first unlock iPhone 1 1, and click cellular network in the setup menu of iOS 14.

2. Then, in the opened page, as shown in the figure below, click the mobile phone number to be set.

3. Then, in the page that opens, click the cell number tab.

4. Finally, in the opened page, according to your own needs, as shown in the figure below, select the major number and minor number labels.