HTC Zara is actually HTC Desire 601, according to the usually very reliable evleaks. An official render of the phone has already leaked once along with a bunch of specs. HTC Zara will ship as the Desire 601 @evleaks (@evleaks) August 30, 2013 HTC Zara a.k.a. Desire 601 will supposedly pack a 4.5" qHD display and will run on the Qualcomm Snapdragon MSM8930 chipset with two 1.2GHz Krait...
Source: http://www.gsmarena.com/htc_zara_to_be_unveiled_as_htc_desire_601-news-6690.php