It uses your contact address book in your phone and who all are registered on Whatsapp will be shown to you as your Whatsapp contacts on the Whatsapp screen. The process to add contacts is also very simple. Either you can use your mobile network plan or Wi-Fi any of them would be sufficient to send your messages.

It uses internet connectivity to send your messages to another Whatsapp user. It is free for one year, then you have to pay $0.99/year in order to continue using its services. Whatsapp is an extremely popular cross platform instant messaging application available on all the major operating systems like iOS, Android, Blackberry, Windows, Symbian. Please follow below tips for more details. You can get that from Torrent and other website. Want to chat with WhatsApp users from your Blackberry Smartphone? Then you should download and install official WhatsApp messenger for your ease of usage.