From serial number 17659943 New Software 1.6
From serial number 17772145 you can sinconize 2 BL5 whit extra cable and PIN CODE intro
From serial number 17910097 New Software 2.6
From serial number 18512908 B&O have change the fix system of freats
From serial number 19375256 some change (???)
From serial number 19900141 B&O has change POWER CORD.
From serial number 21221146 New Software 3.00a
From serial number 21770424 New Software 3.10a
From serial number 21981978 NO Brush in the box
Andrea (from Italy)