Viber is one of the popular Internet messaging apps available to users. It has the ability to let you choose a background on your conversation windows to add a more personalized feel to your Viber experience. It’s easy and fun to do

1. Launch Viber on your mobile device. Tap the app on your home screen or app drawer to open it.

2. Open the Menu. To do this, tap the Menu icon located at the bottom-right corner of the screen.

3. Go to the Display settings. Tap on “Settings” on the Menu page then tap “Display.”

4. Tap “Change default background.” This will be the first option you will see on the Display settings       menu.

5. Select a background. You can now select a different background from the preset images displayed      on your screen. Simply tap the image you like and you’re done.

   If you want a custom image to be your background, tap the “Gallery” button at the top-right corner      of the screen and select a photo from your phone Gallery.