Apple clears text messages with one click.

The mobile phone deletes all short messages as follows:

1. Open the Messages application and enter the SMS list.

2. In the message list, click the "Edit" button in the upper right corner.

3. Select the short message to delete. You can select the message to delete by clicking the "round check box" on the left.

4. Click the Delete button on the toolbar at the bottom of the screen. Alternatively, after selecting a message, directly click the "Delete" button at the bottom.

5. Confirm the deletion operation. A prompt box to confirm deletion will pop up to confirm whether to delete the selected message again.

6. Click Delete to confirm the deletion.