How to send messages with a secondary card on Apple's mobile phone?

Open SMS on iphone, and then click Create New SMS. You can enter the mobile phone number of the recipient, or click the+sign at the back to select the recipient from the address book. The default SMS card number will pop up before editing the SMS text. Click the default card number, and the minor number and the major number will pop up at the bottom of the screen to switch.

Open the phone and find the SMS icon on the phone desktop. In the SMS interface, find the new icon in the upper right corner. In the new SMS interface, click the button on the right to add a contact. In the contact interface, find the contact person who needs information. In the pop-up dialog box, just select the secondary symbol.

Unlock Apple 1 1 first, open the settings in ios 16, and then find and enter the information settings. Then open send and receive on the information page, as shown in the figure below. Then in the opened page, as shown in the figure below, check the number of secondary cards.

It is recommended to set it by setting-information-sending and receiving. If you have any questions, please click /qA5yV for consultation.