Currently I am trying to deal with a strange Exception when opening a BluetoothSocket on my Nexus 7 (2012), with Android 4.3 (Build JWR66Y, I guess the second 4.3 update). I
You put registerReceiver(receiver, new IntentFilter("android.bleutooth.device.action.UUID")); with "bluetooth" spelled "bleutooth".
registerReceiver(receiver, new IntentFilter("android.bleutooth.device.action.UUID"));