Return to or delete the previous version of the BlackBerry Device
Depending on the options that your wireless service provider or administrator sets, you might not be able to perform this task.
1. On the Home screen or in a folder, click the Options icon.
2. Click Device > Software Updates > Update successful.
• To return to a previous software version, click Downgrade.
• To delete a previous software version, press the
key > Delete Downgrade Data.