How does OPPO mobile phone delete cloud backup?

OPPO mobile phone deleting cloud backup method:

After the cloud storage space is exhausted, you will not be able to continue to back up data to the cloud, and new data such as photos, contacts, text messages and notes will not be uploaded. You can free up space by deleting data that is no longer needed in the cloud. Before performing this operation, it is recommended that you back up the device.

To delete a cloud document: go to settings > cloud services > view cloud data. Select the data to delete, and then click Delete. Note: If your cloud service synchronization switch is turned on and the cloud data is deleted, the data on your mobile phone will also be deleted synchronously.

Note: The operation path refers to ColorOS? 6 system.