How to change the card when Apple 12 sends a message?

By default, when Apple sends a text message, it starts a new call and sends and receives the message using the number used by its contacts last time. What if I need to change another card to send a text message? Let's teach you how to switch cards when Apple 12 sends messages.

How to change the card when Apple 12 sends a message? 1. Open the SMS editing dialog box and click the sender number above.

2. Click the calling number to switch the mobile phone number to send SMS.

If it is a new message, just enter the recipient information and click the calling card button to switch.

This paper takes iphone 12 as an example and applies it to ios 15 system.