Delete user data and device data and assign a device to a new user

If you perform this task, you are deleting user data and device data permanently. You must reinstall the BlackBerry Device Software before you assign the BlackBerry device to a new user.
  1. Connect the device to the computer that you used to log in to the BlackBerry Administration Service.
  2. If you receive a prompt, type the device password.
  3. In the BlackBerry Administration Service, on the Devices menu, click Attached devices > Manage current device.
  4. Click Delete all device data and remove device.
  5. Click Yes – Delete all device data and remove device.
  6. Reinstall the BlackBerry Device Software using the BlackBerry Administration Service, BlackBerry Desktop Manager, or BlackBerry Web Desktop Manager.
  7. Activate the device.