WhatsApp Messenger is a very popular messenger app across all mobile platforms. Now Whatsapp allows you to change or customize the chat background wallpaper.
How to change whatsapp wallpaper?
Download the wallpaper you like on your smartphone.
Open WhatsApp on your smartphone.
go to Menu >> Settings >> Chat Settings >> Wallpaper
Now go to gallery and select the wallpaper you have downloaded.
Your wallpaper is set now.
Below are some new retro WhatsApp wallpapers
Click on images to enlarge and set as wallpaper