How does Apple delete SMS in batches? How does Apple delete SMS in batches?

1. First, we open the settings of iphone, and then find one of the messages from the drop-down menu. Then click to enter the information setting interface.

2. In the information setting interface, we still look for one of them: information history. By default, this item is to permanently save information.

3. Then we click the information retention option, modify the information retention time, set the information retention time to 30 days or one year, and then click Delete to save.

4. After modifying the retention time, we will save and exit, then select the date and time in the settings and set the time to 30 days or one year later. (Need to exceed the above information retention time)

5. When we changed the time to the expiration date of the mail, our mail was deleted. When we open our message at this time, we will find it is empty.