add payment metod
how do I add a payment method for subscriptions?
iPhone SE (2nd generation)
This document explains how to add a payment method to your Apple ID on a Mac, Apple mobile devices, PC, or online. Click here --> Add a payment method to your Apple ID - Apple Support
On an iPhone:
Open the Settings app.
Tap your name.
Tap Media & Purchases, then tap View Account. You might be asked to sign in with your Apple ID.
Tap Manage Payments.