Reinstalling apps.
Why does it require me to update billing information when I try to reinstall apps? How do I get rid of this?
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To get rid of it you must verify your payment method and fix whatever is wrong.
You need a valid and verified payment method on your account to make use of the store services including re-downloading apps. If something happened that caused it to no
longer be verified you need to correct that. Normally its because a charge could not be completed successfully.
Link-> If your payment method is declined in the App Store or iTunes Store - Apple Support