Features: Dual SIM Cards, Dual Standby. (one nano, one micro) (Dual SIM card slot does NOT support using Telecom cards at the same time) 5.2 1920*1080px capacitive multi-touch touch screen, quite sensitive. Dual Cameras, 8MP front camera, 13Mp back camera with flashlight and auto focus. 2GB RAM 16Gb ROM and support TF card up to 128Gb extended. nubia UI 3.0 OS Qualcomm Snapdragon 615 Cpu. Support Three Fingers ScreenShots. Support Otg, Light sensor, Gravity sensor, Double hall sensor, Wifi, Ebook, Email, Messaging, Wallpapers, Calendar, Calculator, Clock, etc. Note: Dual SIM card slot can use Mobile/Unicom card at the same time, one of the Cards used data business on the Internet, the other card can only be used for Gsm; The dual SIM card, when Telecom using data business on the Internet, Mobile/Unicom card can only be used for Gsm; When Mobile/Unicom card use data business on the Internet, Telecom will be without service.