Unable to sign in to App Store says 'Please contact iTunes to complete this transaction'
i can’t sign in to the Apple Store
[Re-Titled by Moderator]
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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