1. In your Ezyaccount go to the  Your Profile  tab and select EzySMS App Phone Numbers 
A list of phone numbers you have registered to your Ezyaccount using the Ezybonds EzySMS mobile application is displayed.
You may de-register your phone by ticking the check-box next to the phone number and clicking the "De-register" button. 
Note: You will also need to de-register your phone on the EzySMS mobile application.