Open the Contacts app on your device and locate your name in the contacts list.
Select your name to open your contact details.
Tap on "Contact Photo Poster" and then tap "Edit" under your contact photo.
Click on "Customize" under the "Poster" section.
Choose a style for your poster: Photo, Memoji, or Monogram.
Customize your poster by adding or creating an image, editing text, and adjusting background colours.
Preview your poster in different apps like FaceTime, Messages, WhatsApp, etc., to see how it appears.
Tap "Done" to save your customized poster as your contact photo. (Image Credit: All Images From Freepik)