How to change the background picture of Nokia 920?

Nokia 920 changes the background picture: Open the phone settings-Start screen+Background-Add wallpaper and select a picture.

Lumia 920 adopts polycarbonate body, 4.5-inch IPS screen, and the resolution reaches 1280×768 pixels. It is equipped with an 8.7 megapixel Carl Zeiss certified camera and the second generation PureView camera technology, and the imaging effect is excellent. Lumia 920 has many advanced technologies, such as integrated optical image stabilization, ultra-sensitive touch and wireless charging.