The status of this response is Pending and require some modification by the author.
1. It is a also android phone then there is no problem to download the whatsapp
2. First open the play store and go for a application then find the whatsapp
3. Then click the whatsapp there is automatically download will started
4. Your next step is the install and click the install in samsung rex 60 the installation process will started then done after terms &condition read and click after enter the mobile no.
5. your whatsapp will started