How do Apple phones exchange text messages with each other?

1. Log in to the same AppleID on two iPhone.

2. Enter the settings;

3. Click on the information;

4. Slide the screen down;

5. Click Send and Accept;

6. Cancel the AppleID of two iPhone at the same time;

7. Log in with your newly registered AppleID.

How to synchronize SMS between two Apple phones;

1, open the settings on the iphone interface;

2. Then drop down the page selection interface to enter iCloud.

3. then log in to your Apple ID and press backup to enter;

4. Push open the closed iCloud cloud backup, and you can back up the SMS to Apple iCloud cloud.