Verizon Apple Music deal
How can I cancel the subscription to Apple Music through Verizon
iPhone 8 Plus, iOS 12
View, change, or cancel your subscriptions - Apple Support
you can do this on your phone in settings or as instructed in the above link
Go to Settings > [your name] > iTunes & App Store.
Tap your Apple ID at the top of the screen, then tap View Apple ID. You might need to sign in with your Apple ID.
Scroll to Subscriptions, then tap it.
Tap the subscription (Apple Music) that you want to manage. ...
Use the options to manage your subscription.