You can download the membership card from the VfB online store and then retrieve it on your smartphone.
To do this, you must log in to your customer account à Under the "Overview" tab, you will find a section with "Digital membership card" under your login details à As soon as you click on the "Retrieve ID card" button here, the download of your digital membership card begins.
To do this, you must log in to your customer account à Under the "Overview" tab, you will find a section with "Digital membership card" under your login details à As soon as you click on the "Retrieve ID card" button here, the download of your digital membership card begins.