function DetectTierOtherPhones()
   {
      if ($this->initCompleted == $this->true ||
          $this->isTierGenericMobile == $this->true)
         return $this->isTierGenericMobile;

      //Exclude devices in the other 2 categories 
      if (($this->DetectMobileLong() == $this->true)
		&& ($this->DetectTierIphone() == $this->false)
		&& ($this->DetectTierRichCss() == $this->false))
           return $this->true;
      else
         return $this->false; 
   }