Delete all device data and deactivate services

If your BlackBerry device has been misplaced or stolen, you can delete your device data and deactivate all services, such as email messaging and data synchronization. Depending on your administrator, this feature might not be available.
  1. On the Home tab, click Secure a Lost Device.
  2. Click Delete all device data and disable device.
  3. Click Yes.
Note: If you recover your device, you can activate your services again by either connecting your device to your computer using a USB cable or by creating an activation password so that you can activate your device over the wireless network.