Sometimes the card is not activated due to various technical problems. In that case, you can try again sometime after the card is activated. Otherwise, you can talk to the cash app customer service . In this blog, we have discussed the simple methods used for cash app card activation . As a cash application user, you need to know that you only have to activate the cash card to protect your account. Once you get the Cash App Card, you should start it immediately by following any of the above procedures. Apart from this, you can also contact our Cash App phone number if there is any problem with the Cash App card activation .