Lenovo Vibe Z K910E OS: Android 4.2 Jelly Bean; CPU frequency: 2200.0 MHz (4-core); Chipset: Qualcomm Snapdragon 800 MSM8974; GPU: Adreno 330; RAM Memory: 2 GB; Display: LCD IPS Color (16M), 1080x1920 px (5.5") 401ppi; Touch screen: yes; Protection: Corning Gorilla Glas...