Sony Ericsson W810a: Swapping Data via Bluetooth.

To Send Data:

1. Select the data you want to send (for example Go to Contacts and Select a Contact).
2. Press More.
3. Select Send Contact and Press Via Bluetooth.
4. Select the device to which you want to send the data and Press Select.

To Receive Data:

1. From the main Menu, Go to Settings and Choose the Connectivity key.
2. Select Bluetooth and Press Turn On.
3. Ensure that your phone is visible to the other device.
4. To show or hide your phone, check this link:  Click here.
5. Follow the on-screen commands that appear after you have receive the data.