For Cash app card activation, the Cash app allows you to activate your Cash app card by using your phone and for this users are required to follow some simple steps. First, you need to open the Cash app on your mobile device and then, find and tap on “Cash app card” option and after that the Cash app will ask you to select your Cash app card. And once you are done with the selection of your Cash card, you will have to find and choose “activate my Cash card”. And then, you will have to give the permission to the Cash app to use your phone.