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? How do I change my account details? Where can I find the Xinja Android App? How do I get Xinja.Me?