How to delete all SMS messages from Apple's mobile phone?

IPhone cannot delete all messages at once, but it can delete them in batches.

The steps of batch deletion are as follows: 1. First, unlock the screen of the iPhone.

2. Then find "Information" and click.

3. After entering the page, click "Edit" in the upper left corner.

4. Then select the information you want to delete.

5. Then click "Delete" in the lower right corner to complete batch deletion.