Encrypt data that you send or receive using Bluetooth technology

To perform this task, the paired Bluetooth enabled device must support data encryption.
  1. On the home screen, click the connections area at the top of the screen, or click the Manage Connections icon.
  2. Click Networks and Connections > Bluetooth Connections.
  3. Press the Menu key > Options.
  4. Select the Encryption checkbox.
  5. Press the Menu key > Save.