Change Your Profile Picture in iPhone

If you want to have a profile picture for when your friends add your info to their contacts, here’s how you set a default profile picture.

These are The Following Steps:- 

Step-1.  Open your Messages app.

Step-2.  Tap the " ••• " button on the right of your screen .

Step-3.  Select Edit Name and Photo.

Step-4.  Tap on the profile icon to change your image. 

Step-5.  You can snap a photo using the Camera, upload a photo from your photo library, or you can even use an Animoji or Memoji instead.