Motorola Defy Mini XT320 official Pictures. Motorola Defy Mini XT320 is a Smartphone of motorola. The Motorola Defy Mini XT320 Android Smartphone. Announced Jan 2012. Features 3.2″ Display, 3.15 MP Primary Camera, 1650 MAh Battery, 512 MB RAM, Corning Gorilla Glass. Motorola Defy Mini XT320 price starts.