If you would like to change email, mobile phone no. or password, please login Moneyback APP or website ( https://www.moneyback.com.hk/en) and follow the steps as below: 1. login Moneyback App or website     2. select "My Moneyback" / "My Account" 3. Press "change email / mobile phone no. / password" 4. Press "Save", the informartion will be updated in next working day/ next online transaction.