The 9720 runs Blackberry OS 7.1 with some added new features like a new lock screen with a camera short cut. Blackberry has a 2.8 inch touchscreen display with a resolution of 480 x 360. The 9720 has Bluetooth, WI-FI, GPS and a built-in FM radio.

The battery is a Li-Lon 1450mAh removable battery. Some features are sensors, messaging, browser, and java. It is a new edition to the Blackberry family only being available for two years.

You can download the Whatsapp for free on your Blackberry 9720. There are two methods of approach that you can use to download the Whatsapp to this mobile device. Method 1 is to open Appworld in your Blackberry. There you find Appleworld in what is called the BB menu. In the search option in the app world you can simply type Whatsapp and search. It may be a little confusing to see that there are many apps that have the same name so you need to aware of what the logo looks like. Once you got the right one press the install button and it will automatically start and be placed on your BB menu.

Method two is to open your web browser, and navigate to the official website. Once it is up, you can hit the download button and after it completes the download you install it and you’re done. You have to place your phone number once the application comes up, and you don’t need anything else to make this app work. Both methods will allow you do download and have Whatsapp on your mobile device. Method two can actually be easier and faster as it direct to the right one without minimal effort.

Whatsapp is definitely compatible with the Blackberry 9720. Because it’s a 7.1 and is relatively up to date and it allows you to install a lot of different apps. It goes on the Blackberry very well because of the bright clear screen. For the Whatsapp you have the benefit of 512MB which gives you more than enough capacity for all your chats, photos, and videos and other media. Whatsapp is almost the perfect app to have for this phone, and this phone is so good for it that you may not need any other apps.