If you change Country or Region, you must comply with all regulations described here -> Change your Apple ID country or region
Change your Apple ID country or region - Apple Support (KW)
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What to do before you change your country or region
1.
You need to ZERO your Apple Account balance, it is depending on the amount:
1.
If your balance is less than the cost of a single item, contact Apple Support directly, they will help you clear your Apple Account balance: Get Support
2.
See -> Check your Apple Account balance
Check your Apple ID balance – Apple Support (UK)
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If you have Apple Account balance you can't use.
You can't redeem or return Apple Gift Cards, App Store & iTunes Gift Cards or unused Apple Account balance for cash, except as required by law. If your jurisdiction allows the refund of redeemed gift balances, you can contact Apple Support to request a refund.
When you contact Apple, include the following information:
• Your Apple ID.
• The refund amount.
• Your current delivery address.
2.
You need to Cancel your subscriptions and wait until the end of the subscription period.
3.
Make sure that you have a payment method for your new country or region. See what payment methods you can use.
- You need to have a debit / credit card issued by a bank in your new country.
- You need to have a billing address in your new country.
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To change / update your billing address:
(macOS) Set up your Apple ID payment method and shipping address on Mac
Set up your Apple ID payment method and shipping address on Mac – Apple Support (UK)
or
Sign in to your Apple ID account page and edit / update your Apple ID details -> https://appleid.apple.com
- edit your billing addres.
or
To change the billing address you can do (macOS & Windows OS) via iTunes
Start Music (-> Click on iTunes) -> side bar click iTunes Store -> go to Account (top bar) -> View Account -> Sign in -> Apple ID Summary -> Billing Address -> Edit.
or
(iPhone & iPad) Go to -> Settings -> tap your Profile -> Payment and shipping -> Change Address.
Edit the Address -> tap Done.