Question: how to change whatsapp wallpaper for one contact android?
Answer: Open WhatsApp on your iPhone or Android device. In WhatsApp, find and tap on "Settings." Tap on "Chats." Tap "Chat Wallpaper" on iPhone, or "Wallpaper" on Android. Select an option: Once you've chosen a new wallpaper, you'll be directed to a "Wallpaper Preview" screen.