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
, and then tap .
Tap Bluetooth settings.
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.