Motorola Defy Mini XT321 official Pictures. Motorola Defy Mini XT321 is a Smartphone of motorola. The Motorola Defy Mini XT321 Android Smartphone. Announced Q2 2012. Features 3.2″ Display, Snapdragon S1 Chipset, 3.15 MP Primary Camera, 1650 MAh Battery, 512 MB RAM, Corning Gorilla Glass. Motorola Defy Mini XT321 price starts.