How to set custom chat wallpaper in Signal

With the latest update, Signal has added support for custom chat wallpapers to its Android and iOS apps.
The feature is somewhat similar to WhatsApp which allows users to set custom chat backgrounds for particular chats. Click here to read how to set custom wallpapers in WhatsApp.
Using this feature Signal user can either choose preset background options or use any image saved on their smartphone and use it as chat wallpaper. Signal also gives the option to blur the background by a bit to improve readability.
Wondering how to do it? Follow our step-by-step guide: