I can’t get my payment method to change or work, who do I fix this with?

Hi Mauragla

Re: "how do I fix my payment method, I have tried everything"

Check you are signed in (to your device) with your Apple ID:

Sign in with your Apple ID – Apple Support

If there is a particular problem situation:

What to do: If a message says 'billing problem with previous purchase' or 'verification required' - Apple Support

What to do: If your payment method is declined in the App Store or iTunes Store - Apple Support

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If you just want to make changes to your payment method:

You might want to log in to your Apple ID account online, to update the details there:

Apple ID Log-in 

https://appleid.apple.com

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Else:

Apple Support have articles online that may help you.

NB: If you want to delete an old card, and if you have active subscriptions or payments due, you would need to add a new card first.

To Change, add, or remove Apple ID payment methods

How to change an Apple ID payment method:

If you need to change or update your Apple ID payment method – Apple Support

How to add an Apple ID payment method:

Add a payment method to your Apple ID - Apple Support

How to delete an Apple ID payment method:

Remove a payment method from your Apple ID - Apple Support

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Re: "who do I fix this with?"

If needed, and if you still have the difficulty:

There are "Get Support" links at the bottom of the two linked webpages below:

The Billing and Subscriptions Support Team

Subscriptions and Billing - Official Apple Support

or

Apple ID Support Team Web-Page

Apple ID — Official Apple Support

All the best :-)