Disabled Apple ID

Your account has been disabled in the App Store and iTunes -

https://support.apple.com/en-us/HT208856

If your Apple ID is locked or disabled -

https://support.apple.com/en-us/HT204106

ASC - Late 2012 Mac mini, macOS 10.15.4; Watch, series 5 GPS/cellular, watchOS 6.2; iPad Air 2, ipadOS 13.4.1; iPhone 8+, iOS 13.4.1; TV 4th Gen, tvOS 13.4;  HomePods, audioOS 13.4 and Airport Express w/ Airplay 2

See Dah•veed's post. It has the answer.

See If you forgot the passcode for your iPhone, iPad, or iPod touch, or your device is disabled  https://support.apple.com/en-us/HT204306, especially the section entitled Remove your passcode. 

If you don't have a computer as mentioned in Remove your passcode, then "borrow one from a friend, or go to an Apple Retail Store or Apple Authorized Service Provider." Of course the last option usually is not available now.

Later the document says: "If you can't update or restore your device using recovery mode, or you can't use recovery mode because of broken or stuck buttons, contact Apple Support. Then follow the steps to set up service for your iPhone, iPad, or iPod touch."

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And see If your payment method is declined in the App Store or iTunes Store https://support.apple.com/en-us/HT203005

and Change, add, or remove Apple ID payment methods https://support.apple.com/en-us/HT201266Need more help? Contact Apple support for help here: Get started