Before you delete the data from your BlackBerry smartphone, consider backing up the data so that you have a copy on your computer.

Research In Motion recommends that you regularly create and save a backup file on your computer, especially before you update any software. Maintaining a current backup file on your computer might allow you to recover smartphone data if your smartphone is lost, stolen, or corrupted by an unforeseen issue.

1. Connect your smartphone to your computer.
2. On your computer, in the Applications folder, click the BlackBerry Desktop Software icon.
3. On the Device menu, click Clear Data.
4. Do one of the following:
   • To delete all your smartphone data, click All data.
   • To delete specific data, click Selected data. Select the check box beside one or more databases.
5. To delete all data from the built-in memory storage, select the Clear on-board device data checkbox.
6. If necessary, do any of the following:
   • To create a backup file for your smartphone data, select the Backup data before clearing checkbox.
   • To change the name of the backup file, in the Backup File Name field, type a new file name.
   • To encrypt the backup file, select the Encrypt backup file checkbox. Type a password.
7. Click Clear.