A. No, you can only register successfully when the phone number of the device you are using matches the one you opened the account with. If you wish to use a different number, you would need to fill a client update form. Visit the Forms & Applications section on the Resources tab of our website to download the form. Kindly complete and email to clientservices@databankgroup.com. Your records will be updated within 1 working day for you to use your new MTN or Vodafone number.