The image viewer opens when you open an image or animation from an application other than Photos.

To open the zoom slider, tap the display. To zoom into the image, drag the slider.

Select Options and from the following:

If your device has a cover display, you may be able to set an image as the background image for the cover display.

You may also be able to view the location where an image was captured or to print an image on a compatible printer.

Available options may vary.