Users can change email address in Setting, which requires a previously bound phone number.
1.Setting - email - set .
2.Click "send SMS code" and enter the SMS code.
3.Enter your email adress ,click "send SMS code" and enter the SMS code.
4.Authenticate your email adress.
Note: to ensure account security, no transactions of any kind can be made within 24 hours after changing the account security settings.