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For information about Apple Cash transfers to debit cards that weren't received, see the following from Transfer money in Apple Cash to your bank account or debit card - Apple Support
Check your bank statement to see if the transfer has been processed and deposited into your bank account. Bank transfers aren't deposited on bank holidays or the weekend. See holidays observed by the Federal Reserve on federalreserve.gov.
If you don't receive an Instant Transfer after 2 hours, or you don't receive a 1 to 3 business day transfer after 3 business days, contact Apple Support.