930BT, out of the box has had issues with a connection via Bluetooth phone and audio. I have a Samsung galaxy s and on most days the bt audio function might work while the phone will not connect. Sometimes I can get the phone only to work and BT audio. Other times my phone will lock up while trying to connect and I will have to remove battery on phone or power off the HU. This lock up on the phone by the HU will also randomly restart my phone and delete all speed dial entries. I have another vehicle with a Sony HU and I have never had an issue with Bluetooth on that HU. I try everything to get