You have two options to install Yak On! on your device.
1). Point your Blackberry’s browser to http://www.yak-on.com/download/ This will ask your permission to perform an over the air (OTA) install. Choose Download and Yak On! will be installed on your device.
2). Download YakOn.zip from http://www.yak-on.com/download/ to your PC and unzip it. Connect your Blackberry to your computer using the USB cable. Using the Desktop Manager’s Application Loader, select YakOn.alx in the YakOn directory. Click okay and the Application Loader will install Yak On! onto your Blackberry.
Please read the user guide before installing Yak On! Yak On! utilizes the hamsam IM library which is licensed under the LPGL. You can download source for this library at http://www.yak-on.com/opensource/
Please direct any questions or concerns to firstname.lastname@example.org