code: public boolean detectTierIphone()
     {
        if ((this.initCompleted == true) ||
                 (this.isTierIphone == true))
           return this.isTierIphone;
  
        if (detectIphoneOrIpod()
                 || detectAndroidPhone()
                 || detectWindowsPhone()
                 || detectBlackBerry10Phone()
                 || (detectBlackBerryWebKit()
                 && detectBlackBerryTouch())
                 || detectPalmWebOS()
                 || detectBada()
                 || detectTizen()
                 || detectGamingHandheld()) {
           return true;
        }
        return false;
     }
docs: The quick way to detect for a tier of devices. This method detects for devices which can display iPhone-optimized
  web content. Includes iPhone, iPod Touch, Android, Windows Phone 7 and 8, BB10, WebOS, Playstation Vita, etc.
  
  @return detection of any device in the iPhone/Android/Windows Phone/BlackBerry/WebOS Tier