Operating system: ANDROID8.1 Features:6.3 inches full screen. Ultra-high screen-to-body ratio, providing the viewing experience you've always wanted Rear camera : 2 million Description:Main screen size: large screen 6.3 inches Face access: Support face recognition. After activation, Equipment will scan your facial features and unlock immediately. Calling has never been easier or fun . 2 million pixel front camera, clear and stylish selfies. The ultra-clear front camera turns all your objects into works of art. Even in dim light, you can experience higher brightness, color vividness and clarity, degrees and dynamic range when needed. Operating memory: 1GB Front camera : 2 million Screen: 6.3 inch" IPS screen LCD resolution 720*1520 Network standard: Unicom 3G (WCDMA), Mobile 3G (TD-SCDMA), Telecom 3G (CDMA2000) Dual cards: dual cards and dual standby, no difference between primary and secondary bayonet ports, supporting the networks of 50 communication operators around the world Powerful performance: MTK6580 mobile platform uses 14mm technology, which makes young people like popular games such as youth and stubbornness. New interactive design, simple and clear operation, mobile phone operation is very simple and clear, everything is very convenient Rear HD camera: It has a 2 MP camera combination. The main camera supports LED flash, which can improve the sensitivity under backlight or low light, and instantly to ensure that your photos remain clear and bright. Battery capacity: 2800mah or more, removable external Memory card: Hold expansion (maximum support expansion 128GB) Processor core: quad-core