public static String getUserAgent()
    {
        StringBuffer sb = new StringBuffer("WhatsApp/");
        sb.append(Utilities.getMidletVersion());
        sb.append(" S40Version/");
        String systemPlatform = System.getProperty("microedition.platform");
        int split = systemPlatform.indexOf('/');
        if(split > 0)
        {
            sb.append(systemPlatform.substring(split + 1));
            sb.append(" Device/");
            sb.append(systemPlatform.substring(0, split));
        } else
        {
            sb.append(systemPlatform);
            sb.append(" Device/");
            sb.append(systemPlatform);
        }
        return sb.toString();
    }