Whether you are aware of this fact or not but cash app require to synchronize your debit or credit card in order to perform transactions with it. Otherwise, you neither receive nor send money it is the basic necessity. Sometimes user faces many issues with this synchronization process. If you are also facing this issue then, call and talk to a cash App representative the support team of the app will provide you best advice and tips. https://contactcustomer-service.net/cash-app-customer-service-number/