What to Know Before Changing iTunes and App Store Country: If you have ever had any issue with music and app purchases on your iPad or iPhone, it might be because of your stored credit card which is listed as being in a different region or country than the country in which your device was set up.
What to do Before you Change your Country or Region
Spend any store credit remaining on your Apple ID. Learn what to do if your remaining store credit is less than the cost of a single item.
Cancel any subscriptions, including Apple Music, and wait until the end of the subscription period.
Wait for any memberships, pre-orders, movie rentals, or Season Passes to complete, and wait for any pending store credit refunds to process.
Make sure that you have a payment method for your new country or region.
Redownload your apps, music, movies, TV shows, and books on any devices that you might use to play or read them in the future.
That’s because some types of content might not be available in your new country or region. (Learn what types of content and services are available in your new country or region.)