How do I change my pin? Arthur Lee October 11, 2018 23:48 Updated Follow Too easy. Just go into the app, tap on the Card icon in the bottom menu bar and hit 'change pin'. Related articles Can I choose and set my own pin? How do I know my pin has been successfully changed? Can I change my email address to a new one? Why the name 'Xinja'? What are my account number and BSB?