How can change my registered phone number, since I do not have access to it?
In the event that you do not have access to your registered mobile phone number, and as a consequence you cannot log in to your profile, please send us your request via E-mail, from your registered E-mail address to support@viva.com, informing us about:
The old registered phone number.
The new phone number that you wish to register.
The reason for the change.