After upgrading the IOS7, you will find that the Iphone5 function becomes powerful again, previously need to use other software for photo editing function, now iphone5 directly can deal with pictures and photos. In Iphone5 's "photo" app, there's a filter editor feature that can process your photos into Black-and-white photos.
The method of processing color photos into Black-and-white photos:
1. Open the Iphone5 desktop default "photo" icon, looking for a picture you intend to process into black and white photos.
2. After entering the photo browsing interface, there will be an "edit" button in the upper right corner of the mobile screen, click on it.
3. At this time into the image of the editing interface, in the bottom of the screen there is a "three small circle" icon, this is the filter editor, open it.
4. At this time in the mobile phone screen below there will be 3 small picture display, regardless of which will be selected to show a black-and-white photo, but the color of the photos and contrast degrees of difference.
5. Finally, click Save in the upper-right corner and the newly generated black-and-white photos will be saved in the photo gallery.