How to transfer SMS messages from the old iphone to the new iphone?

The specific operation includes the following steps:

First, open "Settings" on the phone desktop.

Second, click the "Apple ID" avatar in "Settings" to enter.

Third, on the "Apple ID" page, select "iCloud" and click Enter.

4. Find "Information" in the "iCloud" interface, and click the button on the right to start synchronization.

5. Finally, another Apple phone logs into the same Apple ID. Follow the same steps and open the Info button of iCloud. The text messages of two mobile phones can be synchronized.