How can iphone delete all messages at once! ! ! !

To delete all text messages at once, iphone requires users to enter phone settings, click Messages, and then click Keep Message. After clicking, the pop-up list will be set to 30 days, and the system will automatically delete all short messages older than 30 days. The specific operation steps are as follows.

1.After the iPhone enters, click the Settings icon. As shown in the figure below.

2. In the setting list, select the information option to be entered. As shown in the figure below.

3. After entering the information settings, click Options to save the information. As shown in the figure below.

4. After clicking, set the retention information to 30 days. As shown in the figure below.

5. After checking this option, click Delete in the pop-up window to delete messages 30 days ago in batches. As shown in the figure below.

Precautions:

Users should back up important information before deleting it to avoid unnecessary trouble after deleting it.