Where can I retrieve deleted messages?

The retrieval method of deleted SMS is as follows:

Tools/raw materials: OPPOR 15x, colors7.1.

1. Find the settings on the phone desktop, and then click Settings.

2. Enter the setting interface and click the account directly.

3. Enter the account interface and click the cloud service directly.

4. Enter the cloud service interface and click Manage Cloud Data Directly.

5. Then click on the newsletter.

6. Successful retrieval, so that the deleted SMS can be retrieved.