How to update new payment details. My account is blocked

App Store/iTunes account disabled?

If you see a message that says 'Your account has been disabled in the App Store and iTunes' - Apple Support.    

Contact iTunes Support for assistance. See the Apple Support articles below for contact information.   

iTunes Support – world wide 

Apple Support schedule phone call      

If necessary, try Twitter

https://twitter.com/AppleSupport.          People have posted it may take an hour or more to get a response.

saraswati288 Said:

"How to update new payment details. My account is blocked: Update payment details"

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A. To Update your Methods of Patment:

Go Here: Associate a a different method of payment to your account

B. To Re-Enable your Apple Account:

Visit this Link: If your Apple ID is locked or disabled - Apple Support.

Contact Apple Support. They’ll know why this occurred and will run you right through the fix.

Contact Apple Support:

• Contact Us - Choose Locations
• U.S.A. (800)MY-APPLE
• Proceed from there as necessary

Note: 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 :)