To do this, you will need your Online Banking login details. This will take you through re-registration and let you choose a new passcode. To reset your passcode open up the app and select 'Forgotten passcode'. If you have entered an incorrect mobile banking passcode too many times, the app will have become locked. Your passcode will be 5 to 8 digits in length. If you have recently changed your Online Banking PIN and password, you will need to register for the mobile banking app with those new details. You can try to log in again when the signal is strong. Please check that you are connected to the internet, and that you have a good connection strength. There are a number of reasons why you may not be able to log in to your mobile app: Connectivity