About updating the BlackBerry Device Software from a web site
If your BlackBerry® device is associated with the BlackBerry® Internet Service, you can update your BlackBerry® Device Software by connecting
your device to your computer and visiting the update web site. You can also sign up to receive email notifications when new software for your
device is available.
User Guide
BlackBerry Device Software
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The first time that you visit the update web site, you download the BlackBerry® Application Loader to your computer, allowing you to update
your software without connecting to the wireless network and without contributing to data usage in your wireless service plan.
The duration of the update process can range from 15 minutes to 2 hours, depending on the type of update, the amount of device data, and
the number of applications on your device. You cannot use your device or make emergency calls when you install the software.