Apple wallet is not working and doesn’t open

Re: Apple wallet is not working and doesn’t open

Your Apple ID is the one account that you use to access all Apple services and make all of your devices work together seamlessly. After you log in, you can use the App Store, iCloud, iMessage, Apple Music, Apple TV+ and more.

To log-in to your device with your Apple ID :

How to Sign in with your Apple ID - Apple Support

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How to create your Apple ID if you do not have one::

How to create a new Apple ID – Apple Support

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Check if Apple Pay is available in your country or region: and, if so, the Apple Pay participating banks

Countries and regions that support Apple Pay – Apple Support

and

Check if your device is compatible:

Devices compatible with Apple Pay – Apple Support 

Apple Support's article : Set up Apple Pay shows how to add a card to wallet to use with Apple Pay.

Troubleshooting:

What to do: If you can't add a card to Apple Wallet to use with Apple Pay - Apple Support

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Re: my app store doesn’t allow me to download

It seems Apple requires a valid payment method in your Apple ID account,

for the first time you use the App Store, or iTunes, even if you only download free apps.

(Scroll down to find your country or region)

Payment methods that you can use with your Apple ID - Apple Support

How to: Change, add, or remove Apple ID payment methods - Apple Support

How to: Get apps in the App Store on iPhone – Apple Support

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For more support if needed:

Apple Pay Support:

Get support with Apple Pay:

Apple Pay - Official Apple Support

And

App Store Support also has a website online.

App Store - Official Apple Support

or

See a list of Apple phone numbers around the world

Contact Apple for support and service – Apple Support

All the best :-)