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, Connector.READ_WRITE, true);

                        form.setTitle("01");

                        is = connection.openDataInputStream();
                        os = connection.openDataOutputStream();

                        form.setTitle("02");


                        form.setTitle("03");
                        os.writeUTF("img");
                        form.setTitle("03a"+Integer.toString(imageData.length));
                        os.writeInt(imageData.length);
                        form.setTitle("03b"+Integer.toString(imageData.length));
                      //  os.write(imageData,0,imageData.length);
                        int i =0;
                        int mmtu = 4096;
                        int len = 0;
                        debug.setText("Szarhossz: "+imageData.length);
                        while(i*mmtu<=imageData.length) {
                        len = (i+1)*mmtu<=imageData.length?mmtu:imageData.length-i*mmtu;
                        //if(i>220)
                        //debug.setText(debug.getText()+"\n"+i+" write(xx,"+(i*mmtu)+","+len);
                        os.write(imageData,i*mmtu,len);
                        
                        i++;
                        }
                        
                      os.flush();
                        // read data from the server
                       form.setTitle("03d");
                       
                        
                  form.setTitle("04");
                        if (is != null) {
                            is.close();
                        }
                        if (os != null) {
                            os.close();
                        }
                  connection.close();
                  System.gc();

                   form.setTitle("05");
                     } catch (Exception e) {
                    form.setTicker(new Ticker(e.toString()));
                         e.printStackTrace();
                    
                     }


                }