How to transfer data from one Apple phone to another?

To transfer data from one Apple phone to another, two Apple phones need to use the same Apple ID and turn on the iCloud cloud backup function. The specific process is as follows:

1. Take iPhone 7 as an example, find the "Settings" icon option on the desktop, and click Open to enter.

2. In the setting interface, find the "password and account number" option and click Open.

3. In the password and account interface, find the "iCloud" option and click Open to enter.

4. After entering the new interface, turn on all the switches of the contents to be backed up, and click "iCloud Cloud Backup" below to enter.

5. In the backup interface, just turn on the switch of "iCloud Cloud Backup". At this point, repeat the same operation with another Apple phone to complete the data transmission.