How to delete SMS at one time on Apple's mobile phone?

Take iPhone 6 and iOS 12.3 as examples:

First, find "Information" on the desktop and click the icon to open it.

2. Click "Edit" in the upper left corner of the information list page.

3. Click to select the message to delete.

4. Click "Delete" in the lower right corner to delete the selected message. Delete all and select all lists.

First, it depends on whether to delete one person's text messages in batches or several people's text messages.

2. Delete a person's SMS in batch, enter the conversation with that person, click "Edit" in the upper right corner, a small circle will appear on the left side of the conversation, select the SMS to be deleted in batch, and then click Delete in the lower left corner.

PS: The number of articles to be deleted is displayed in the lower left corner.

Third, delete several people's short messages in batches, enter the short message page, click "Edit", and then see whose short messages are deleted.

PS: All the messages of that person will be deleted soon. Then, on the right side of the line, slide from right to left, and if there is deletion, click.

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IOS is an operating system developed by Apple for iPhone. Mainly used for iPhone, iPod touch and iPad. Just like its Mac OS X operating system, it is also based on Darwin. Originally, this system was called iPhone OS, until it was announced to be renamed as iOS at the WWDC conference on June 7, 20 10. The system architecture of iOS is divided into four layers: core OS layer, core service layer, media layer and Cocoa Touch layer. System operations occupy about 240MB of memory space.