How do I add metadata to my photos on iPhone?

Along with the location, date, and time, you can adjust certain other pieces of metadata for the photo. 1) At the bottom of the photo details screen, tap the Edit Exif button. 2) Tap any metadata section to make your change. 3) Tap the Save button on the top right when you’re done.

For More Information Please Refer: https://www.idownloadblog.com/2018/11/27/edit-photo-metadata-iphone-metatrixter/