Someone

   synchronized(ConnectorOpenMonitor) {
                String url = "btspp://00027207698F:1;authenticate=false;encrypt=false;master=false";  //+ myService.toString() 
                try {
                    form.setTitle("0");
                    if (connection != null) {
                        connection.close();
                        connection = null;
                    }
                    connection = (StreamConnection) Connector.open(url);
                    is = connection.openDataInputStream();
                    os = connection.openDataOutputStream();
                    os.writeUTF("img");
                    os.writeInt(imageData.length);
                    int i = 0;
                    int mmtu = 4096;
                    int len = 0;

                    while (i * mmtu <= imageData.length) {
                        len = (i + 1) * mmtu <= imageData.length ? mmtu : imageData.length - i * mmtu;
                        i++;
                    }

                    //os.flush();  
                    //os.write(imageData);
                    

                    if (connection != null) {
                        is.close();
                        os.close();
                        connection.close();
                    }


                } catch (Exception e) {
                    form.setTicker(new Ticker(e.toString()));
                    e.printStackTrace();

                }


            }