All Blackberry devices must be updated to version 1.42 or above to work with Zello's latest encryption.
To update Blackberry follow the steps below:
1. Go to [YourNetworkName].zellowork.com on a web browser. (This example uses mycompany.zellowork.com.)
2. Select “Download Blackberry app.” Then download the application.
3) Select "Replace" when a pop-up box asks if you want to "Replace version *.** with version 1.42".
5) "Allow" the application permission to access your phone information.
6) Open the application after your phone has rebooted.
Questions? Email firstname.lastname@example.org.