From the home screen, tap Contacts.
Note: If the shortcut is missing, tap the Launcher icon and tap Contacts.
Tap and hold on the desired contact.
Tap Edit Contact.
Tap the Image icon.
Tap Take Photo to use camera, or tap Select Photo from Gallery to use an existing photo.
Tap the desired image.
Tap and drag to select the area of the image to use, and then tap Save.
The picture is now applied to the contact.