Open "BOCOM (HK)" Mobile app on new device, then login with your Username and Password.
Select "Activate Again".
Mobile Token introductory page will be displayed, please click "Activate Mobile Token Now".
Input "SMS Password" for verification, and confirm the Terms and Conditions.
Click "Continue" to deactivate your existing Mobile Token so you can activate it again on new device.
Set up "Mobile Token Passwrod", and click "Confirm".
Mobile Token has been activated successfully on your new device. You may also click "Activate Biometric Authentication" to activate Biometric Authentication.