Why can't I download apps from App Store?
Why I’m don’t download a apps in apple store
[Re-Titled by Moderator]
iPhone 6s, iOS 15
What happens when you try? If there is an error message, please tell us what it says. If it says to contact iTunes support, then follow the directions below.
To contact iTunes Support, do this:
1. Click on this link --> Choose your country or region - Official Apple Support
2. Select your country
3. Select: Billing & Subscriptions
4. Select: Subscriptions & Purchases
5. Select: Update payment method
6. Select a chat session or a phone call.
Copied from iTunes support - Apple Community