How to Change App Store/ Apple ID Region?
Changing the region of your Apple ID allows you to access apps, services, or content available only in certain countries. […]
Changing the region of your Apple ID allows you to access apps, services, or content available only in certain countries. […]
This method does not allow payments greater than 500 per day.
You must scan the QR code, click continue to attach the screenshot (it is the only proof of payment) and you will be able to complete the purchase.