Delete the previous version of the BlackBerry Device Software
If you recently updated your BlackBerry® Device Software over the wireless network, the previous version of your software might be temporarily stored on your BlackBerry smartphone. To increase the amount of application storage on your smartphone, you can delete the previous version.
Before you begin: Depending on the
options that your wireless service provider or administrator sets, you might
not be able to perform this task.
Previous topic: Downgrade or return to the previous version of the
BlackBerry Device Software over the wireless network