How to delete multiple text messages on an Apple phone at once?

The method of deleting multiple text messages on an Apple phone at one time can be achieved through the following 4 steps:

1. Click the settings icon on the desktop of the Apple phone to enter, as shown in the figure below Display:

2. In the settings list menu, click the information option to enter, as shown in the figure below:

3. Find the retain information option in the information list menu and click to enter. As shown in the figure below:

4. In the information retention operation center, change the information retention time to 30 days, that is, check after 30 days, and then the system will automatically jump to a prompt to delete old information. Select Delete so that the information will be automatically deleted after 30 days on the phone. As shown below: