Press the hamburger menu on the top left corner
Select Terminal Setting
Enter the Manager passcode and press Enter
If you don't know the Manager passcode, you can click the three dots on the top right and entering the Daily Admin Passcode
Select Change passcode
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.