Hey Bonisile, Whatsapp does not practice exclusivity as long as you have a mobile phone that supports their messenger in all respects. Hence I believe it is just a settings problem or that your phone may require a reset. Kindly reply by commenting below, advising what model # your AG Mobile phone is and we will walk you through the installation process. Because you need to be logged in to comment, remember that you can auto login with your Facebook by clicking here http://www.satechhelp.co.za/login?login=facebook