Features: 1.The 5.45in large screen allows you to experience a broader field of view in games and videos, more content is displayed, while the phone is still small and light. 2.The powerful processor greatly improves the network, running speed, frame rate and picture smoothness when playing large games. 3.Up to 128GB of expandable storage, supports simultaneous use of two phone cards for phone calls and one memory card for data storage. 4.High definition camera, every photo is as beautiful as wallpaper with vivid colors. 5.Based on the in?depth development for Android system, which is more complete and smoothly. specification:Condition: 100% Brand New Item Type: Mobile Phone Model: mate40 Pro Material: ABS+Glass Screen Size: 5.45in HD Full Screen Weight: Approx.339.0g/12.0oz Resolution: 460x960 Chip: MTK6572 Dual-Core CPU Operating System: for Android 4.4.2 Memory: 512MB Storage: 4GB Memory Card Support: Maximum Support for Expansion 128GB (Support simultaneous installation of one standard SIM card + one micro SIM card + one memory card) SIM Card: 3G (WCDMA2100, GSM4 Frequency Dual Card Dual Standby) Front Camera: 0.3MP f/2.0 Aperture, Fixed Focal Length Rear Camera: 2MP (Colorful, f/1.8 Aperture) Autofocus Function: WIFI+BT+FM+GPS Interface: 1 x 3.5mm, 1x Micro USB Battery: 1500mah Li-ion Battery How to use: 1. Long press the power button in the upper right corner to turn on 2. Operate each application according to the corresponding prompt 3. Long press the power button on the upper right button to shut down PackageList:1 x Phone 1 x Protective Cover 1 x Film 1 x Earphone 1 x Data Cable 1 x Manual NotePhone is running slowly 1. Clear the mobile app cache 2. Close the background APP running 3. Restore factory settings