1. First, find and open the settings button on your phone.
2. Then select Display in the settings list of the mobile phone.
3. Then click on our target-wallpaper in the personalized settings.
4. Then choose to switch desktop wallpaper randomly.
5. Then set the time interval of wallpaper switching.
6. Then click the arrow on the right to change the album where the picture is located.
7. Finally, just choose the album where your pictures are.