HTC Desire 728 Ultra official Pictures. HTC Desire 728 Ultra is a Smartphone of htc. The HTC Desire 728 Ultra Android Smartphone. Announced Aug 2016. Features 5.5″ Display, MT6753 Chipset, 13 MP Primary Camera, 5 MP Front Camera, 2800 MAh Battery, 32 GB Storage, 3 GB RAM. HTC Desire 728 Ultra price starts.