App Store Connect Help
Add an app icon
You must provide an app icon, which serves as the representation of your app to customers. Learn about creating your app icon.
You must add your app icon to an asset catalog within your Xcode project. After adding icons in Xcode, upload the build to App Store Connect.
If you want to change your app icon after publishing, you must create and upload a new version of your app. Then, submit it for review.
Required role: Account Holder, Admin, App Manager, or Developer. View role permissions.