code: public boolean detectS60OssBrowser()
     {
        // First, test for WebKit, then make sure it's either Symbian or S60.
        if (detectWebkit()
                 && (userAgent.indexOf(deviceSymbian) != -1
                 || userAgent.indexOf(deviceS60) != -1)) {
           return true;
        }
        return false;
     }
docs: Detects if the current browser is the Symbian S60 Open Source Browser.
  
  @return detection of Symbian S60 Browser