Ti can use its own pictures as wallpaper, but unlike other mobile phones, it just goes back to standby and keeps displaying its own pictures, but when it goes back to standby, it only displays for almost one second. Then it will be displayed back to the desktop of the current theme, including the display time mode (analog clock or digital clock) you selected. When you make a phone call, you will see a photo. Comstllation has been used before, but pictures can't be used as desktop wallpaper at all. You haven't used this. I think it should be the same. Anyway, the setting is to click on the selected picture, operate-use picture-(depending on your options)