I am unable to change my billing address from Australia to UK
How can I change my billing address to UK from Australia? It only allows me to change states in Oz
I am trying to upgrade my iCloud storage
MacBook Air 13″, macOS 10.14
The support document Change your Apple ID country or region might be what you need.
Key tip here is "Before you update your information, you need to spend your store credit, cancel your subscriptions, and get a payment method for your new country or region."