Process for activating a cash app card without logging in? As with most of its other processes, activating an app card is straightforward. If you wish to activate the Cash app card without logging in, follow these steps. To activate your cash card, call the call center and ask them to do it for you. In order to do this, you will need to share your CVV number, card number, and expiration date. more info visit us: What is the process for activating my cash app card without an account?