How to delete Apple SMS in batches?

The batch deletion method of Apple SMS is as follows:

Tools/materials: iPhone 13, IOS 15.6, local settings.

1. Open the information setting page.

Open Apple Settings and enter the "Information" setting interface.

2. Enter the reservation information page.

In the information setting interface, click the "Keep Information" setting page.

3. Choose 30 days.

On the Retention Information Settings page, select the 30-day option.

4. Click Delete

A dialog box pops up, and click the "Delete" function.

5. Click to open the page.

Return to the setting interface and open the "General" setting page.

6. Open the date and time page.

On the General Settings page, enter the "Date and Time" interface.

7. Adjust the date of deleting the message

Move the current date back 30 days to clear all retained messages.