You can make your phone forget its pairing connection with
another Bluetooth device. To connect to the other device again, you may need to
enter or confirm a passcode again.
From the Home screen, press
MENU, and then tap .
In the Bluetooth devices section, press and hold the
device to unpair.
Tap Disconnect & unpair.
Or, tap Unpair if the Bluetooth device is currently
not connected to your phone.