Change or remove your payment information from your iTunes Store account (Apple ID) - https://support.apple.com/HT201266
Payment methods you can use in the iTunes Store, App Store, and iBooks Store - https://support.apple.com/HT202631
Change or remove your payment information from your iTunes Store account (Apple ID) - https://support.apple.com/HT201266
Payment methods you can use in the iTunes Store, App Store, and iBooks Store - https://support.apple.com/HT202631
Change or remove your payment information from your iTunes Store account (Apple ID) - https://support.apple.com/HT201266
Payment methods you can use in the iTunes Store, App Store, and iBooks Store - https://support.apple.com/HT202631
Can’t download apps