Why it’s bringing billing problems whenever I want to update or download a new app

Albertsolo777 Said:

"Why it’s bringing billing problems whenever I want to update or download a new app: I need to solve it so I can download and update apps"

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Please Clarify your Post:

What billing problems do you speak of?

Troubleshooting Declined Methods of Payment:

See this Link: If your Payment Method is Declined in the App Store or iTunes Store - Apple Support

Whom to Contact:

A. Contact Apple Support:

For Financial Assistance, contact Apple Support. These are user-to-user forums. We are not Apple.  Apple barely reads these site on their own time, as it is. As you may suspect, no one here would know the answer to this. So, contact Apple Support. The'll see what has occurred, and will run you through the fix. Here is the information for contacting Apple Support:

Apple Phone Support:

• Contact Us - Choose Locations
• Proceed from there as Necessary
• Why the Wait: Phone calls are taking a bit to go through at the moment, due do lots of calls. With the Coronavirus Pandemic, many are at home at the moment, with much time on their hands to contact Apple. So, just stay on the line, and you will get through :)

also...

B. Contact your Bank:

Contact your financial institution (bank) pertaining to this card, as this may be being seen as a scam (though that may not be the case). It would be a matter of security for you as a credit card holder. So, call them, letting them know that all os okay to be followed through with.