DChat in Dmail DChat Settings: How to Customize Wallpaper in chat Estimated reading: 1 minute 87 views Step 1: Open DChat and click the Settings icon at bottom left. Step 2: The pop-up window will appear like this as shown below in the screenshot. Step 3: Click on “all chat settings”. Step 4: Click on the Drop-down arrow of ” Wallpaper”.Many colours’ options will appear; you can select according to your choice. Click on Save changes at the bottom right corner, your settings will get updated