After taking a picture, assign it as a picture ID for a Contacts entry or as the background image (wallpaper) for your Home screen or Lock screen.
From the Home screen, tap the Apps icon (in the QuickTap bar) > the Apps tab (if necessary) > Gallery .
Tap an album and tap an image to view it.
With the picture displayed, tap the Menu icon (at the upper-right corner of the screen) > Set image as.
Select an option.
Contact photo to assign the picture to a Contact entry as a picture ID.
Tap an entry from Contacts, crop the image, then tap Done (at the bottom-left corner of the screen) to assign the picture.
Wallpaper to assign the picture as a background image, crop the image and tap SET WALLPAPER to assign the picture.
Lock screen wallpaper to assign the picture as a background image for your Lock screen.
Home screen wallpaper to assign the picture as a background image, crop the image and tap OK to assign the picture.