Choose Your Country or Region| support.apple.com
Learn what to do if you see an error code or alert when you use your computer to update or restore your device.| Apple Support
Learn how to remove a payment method. If you can't remove it, you might need to cancel subscriptions, turn off purchase sharing, or pay an unpaid balance.| Apple Support
hands on: Easy, medium, and the sledgehammer approach – or any combination you fancy| www.theregister.com
If there isn't enough space for an update on your device, try this.| Apple Support
Payment information that you use for Apple media purchases and subscriptions might be automatically updated by your financial institution. Learn how to edit your payment method manually.| Apple Support