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.
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From the Home screen, press
, and then tap .
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Tap Bluetooth settings.
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In the Bluetooth devices section, press and hold the device to unpair.
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Tap Disconnect & unpair, or tap Unpair if the Bluetooth device is currently not connected to your phone.