I cannot change my payment method, billing address and region

batnasan192 Said:

"I cannot change my payment method, hilling address and country"

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Two Things to do:

1. Zero-Out the Balance:

You need to zero-out out balance by calling Apple Support***. Or you need to purchase something that is more than what you currently have in your account.

then...

2. Add the New Method of Payment:

Once all is zeroed-out, you need to add the new method of payment, and then rid of the current one, once the new one has been added. Refer to the link atop this post to see if you can use it in your location/region.

***Apple Support Contact Info:

• Contact Us - Choose Locations
• Proceed from there as necessary

Note: Phone calls are taking a bit to go through at the moment, due to 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 :)