How to switch numbers in Apple SMS?

How to switch numbers in Apple SMS? Take Apple X as an example. Apple's mobile phone sends a message to switch numbers as follows:

1. Find and click the dial icon on the desktop of Apple X mobile phone.

2. Click Address Book in the bottom menu bar.

3. Then find the contact you want to call and click it.

4. After entering the contact details page, click the main number under the contact name.

5. Then you can see the primary number and secondary number options in the mobile phone, click the secondary number and then select Done, and then select a short message to send to the contact.

IPhone X is an iPhone series smartphone designed, developed and sold by Apple. Tim Cook, CEO of Apple, released it at Steve Jobs Theater on September 20 17, which is the 10th anniversary model of Apple iPhone. IPhone X operating system adopts iOS 1 1, adopts apple A 1 1 bionic processor, has six processing cores, and belongs to a high-end model. It adopts a new design in appearance, equipped with a clear color organic light-emitting diode screen, and uses a 3D face recognition (Face ID) sensor. It is a classic product of Apple. "The whole iPhone X looks almost like a whole screen." Apple China official website described the full-screen design adopted by iPhone X this time. IPhone X cancels the bottom Home button that Apple used for 10 years, and adopts double-sided glass+metal middle frame design, made of organic light-emitting diodes, and coated with anti-grease and anti-fingerprint coatings. The bottom interface and buttons on both sides are the same as those of the iPhone Seventh Generation Series, and there is no change. The obvious change in the back is that the rear double camera is changed to vertical position.