If you wish to perform any operation in the app, then you need to get access to the app by logging in. If you can’t do that due to some malfunction and fail to secure a Cash App refund, then you can get the help of customer care and speak to the rep about the problem that you’re facing or you can also visit the help center and get the necessary help that is required.https://www.findcustomerservice.org/cash-app-customer-service/