To activate your Cash Card using the QR code:
Tap the Cash Card tab on your Cash App home screen
Tap the image of your Cash Card
Tap Activate Cash Card
Tap OK when your Cash App asks for permission to use your camera
Scan the QR code
If you no longer have the QR Code:
Tap the Cash Card tab on your Cash App home screen
Tap the image of your Cash Card
Tap Activate Cash Card
Tap Use CVV Instead
Enter the CVV code and expiration date of your new Cash Card