Click the hamburger menu on the top left corner
Select Settings
Enter the Manager passcode and press Enter
If you are not sure about Manager passcode, you can click the three dots on the top right and enter the Daily Admin Passcode
Select Security
Select Passcode management
Select either Manager or Cashier to update the passcode
Enter a new 6-digit passcode and press Enter. Note that the terminal will ask the user to re-enter the new passcode to confirm.