Mediacom PhonePad Duo X520 Ultra OS: Android 4.4 KitKat; Processor: MediaTek MT6592M; Processor clock: 1.40 GHz; Number of cores: 8; GPU: ARM Mali-450 MP4 @600 MHz; RAM: 1 GB; Internal memory: 16 GB; Memory cards: yes; microSD, microSDHC; (up to 32 GB); Display: Color / AMOLED; 16M ...