Answer
You can view all of your information on your Profile page in the trading platform. You can change your contact details by clicking the Edit button.
You will be asked to confirm all changes in an email sent to the address currently registered to your account. If you no longer have access to the email address registered to your account, please contact our service desk.
In order to change the registered phone number on your account, we kindly ask you to contact our Service Desk. Please note that a valid phone number is required to change your address.