def detect_tier_iphone()
      if (detect_iphone_or_ipod() || detect_android_phone() || detect_windows_phone() || detect_black_berry10_phone() || (detect_black_berry_web_kit() && detect_black_berry_touch()) || detect_palm_web_o_s() || detect_bada() || detect_tizen() || detect_firefox_o_s_phone() || detect_sailfish_phone() || detect_ubuntu_phone() || detect_gaming_handheld())
        return true
      end
      return false
    end
def detect_tier_iphone()
      if (detect_iphone_or_ipod() || detect_android_phone() || detect_windows_phone() || detect_black_berry10_phone() || (detect_black_berry_web_kit() && detect_black_berry_touch()) || detect_palm_web_o_s() || detect_bada() || detect_tizen() || detect_firefox_o_s_phone() || detect_sailfish_phone() || detect_ubuntu_phone() || detect_gaming_handheld())
        return true
      end
      return false
    end
=begin
*
     * 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

=end