After receiving your new Cash Card, the first step is to activate it. Your new card will contain the expiration date and CVV code. You need to visit an ATM and use your existing PIN to make a deposit or withdrawal to activate cash app card it. The process is quick and easy, and it will only take a few seconds. Once you have Activate Cash App Card, you can pay for purchases. Moreover, you can activate the Cash App card via phone by taking the steps mentioned below.