The photo of Apple's mobile phone has been deleted. Why does the display run out of memory?

Apple mobile phone deleted the photos on the photo plug-in, but it didn't delete the photos, and it also took up a lot of mobile phone memory. You can completely delete photos by doing the following. The specific operation is as follows:

Tools/materials: Apple mobile phone.

1. Open our mobile phone, find the settings icon, and click.

2. After entering, click General.

3. After entering, find the iPhone storage space and click.

4. After entering, find the photo and click.

5. Finally, click Clear on the right side of the "Recently Deleted" album.