Ηow to log out of the ‘Viva.com Terminal’ application

On the device, choose ‘More’ in the bottom right-hand corner

Select the ‘Logout’ option

A message will then be displayed. Click on the ‘Log out’ button to proceed
​Νote: after logging out, you will be redirected to the activation process, as if you were a new user

As you are an existing user, you can select the ‘Sign in’ option to enter your credentials and proceed with the rest of the activation options