Question

What is the difference between theme and wallpaper?

Answer 1

Wallpaper is the photo which stay only on Background.

Theme change the look of full phone even menu, apps.

Theme also have its own wallpaper.

HOPE THIS HELP U

Answer 2

Difference between theme and wallpaper:

Theme:

A theme for your computer or mobile phone is a set of pictures and colors and, sometimes, even a specific set of sounds. A theme may have a screensaver, wallpaper, a sound scheme, title bars, icons and mouse pointer that combine used to create a uniform look and feel of the computer system.

Wallpaper:

Wallpaper is an image used as a background on the screen display of a computer, mobile unit or other electronic devices.