 <p>No, you can't forcefully close a connection in a clear way from the peripheral side. There is no API for it.</p> <p>You can break the connection abruptly by not responding to a request, which results in disconnection at most after 30 seconds. This is the standard behavior defined by the Bluetooth specification Vol.3 Part F 3.3.3</p> <blockquote> <p>A transaction not completed within 30 seconds shall time out. Such a transaction shall be considered to have failed and the local higher layers shall be informed of this failure. No more attribute protocol requests, commands, indica- tions or notifications shall be sent to the target device on this ATT Bearer.</p> </blockquote>