portrait mode iphone 7 plus

How to delete photo wallpaper with Patch: Smart Portrait Editor iPhone
patch: smart portrait editor is an image editing application with the ability to delete photo backdrops, as when we used portrait mode to take photos of the background on iphone 7 plus ios 10.1.
How to convert the font removal image into a normal photo on iPhone 7 Plus running iOS 11
on ios 11, there is a feature to customize the mode to remove portrait on iphone 7 plus, so that users can switch from image deletion to normal.