Respuesta :

On computer click on your icon on the upper right side of the screen it will show options, then click "edit profile" There you will be given the option to change your profile fic by uploading the picture from your documents

Explanation: Cuz I just did it myself :3

Answer:

Go to edit profile then click the "Profile picture" then click/tap "choose file" chose the file you want the click/tap "change!".

Explanation:

I've done to many times