This article explains how to edit an Apple Music profile on iPhones and iPads running iOS 11 and later.
How to Change Your Profile Picture on Apple Music
Your profile is visible and accessible on most pages in Apple Music. Follow these steps to set it up and customize it.
Open the Music app and tap Listen Now at the bottom of the screen.
Tap the Account button at the top of the screen. It’s the silhouette of a head with a circle around it.