How to back up Samsung mobile phones?

Take Samsung S6 as an example, the operation is as follows:

1. Open the Settings option of the phone.

2. In the list, use Samsung's cloud backup function and click "Cloud and Account".

3. In the list, click Backup and Recovery.

4. In the new page, use Samsung's account to "back up" the data of the mobile phone.

5. After selecting the items to be backed up, click "Backup".