Usar o APKPure APP
Obter o APK da versão antiga de Fast WhatsApp - Send WhatsApp Messages Quickly para Android
Enviar WhatsApp mensagens rapidamente
Are you tired of saving multiple phone numbers for only ONE time message!!
This App is here to help you get rid of this with its simple and minimum design.
Just :
open the App => Enter phone number => Click "Start Conversation". And you are ready to go.