How does Meizu mobile phone back up data?

Take Meizu Pro5 mobile phone as an example, the specific method is as follows:

First, click "Settings" on the mobile phone desktop, as shown in the figure.

2. Then select the "Save Backup" option in the setting interface, as shown in the figure.

Third, then open "Backup Mobile Phone Data" to enter, as shown in the figure.

4. After entering, click "Add Backup".

5. Then select the type to be backed up, and finally click "Start Backup", as shown in the figure.