Smart Phone, 1GB+8GB Dual Card Dual Standby Phone, 3G Powerful Processor Home for Gift Man Woman Specification: Condition: Brand NewItem Type: Mobile PhoneModel: mate40 Pro Material: ABS+GlassScreen Size: 5.45in HD Full ScreenWeight: Approx.339.0g/12.0ozResolution: 460x960 Chip: MTK6572 Dual-Core CPU Operating System: for 4.4.2 Memory: 512MB Storage: 4GBMemory 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 Length Rear Camera: 2MP Colorful, f/1.8 Aperture Autofocus Function: WIFI+BT++GPSInterface: 1 x 3.5mm, 1x Micro USB Battery: 1500mah Li-ion Battery How to use:1. press the power button in the upper right corner to turn on 2. Operate each application according to the corresponding prompt 3. press the power button on the upper right button to shut down Package List: 1 x Phone 1 x Protective Cover 1 x Film 1 x Earphone 1 x Data Cable 1 x Manual Note: Phone is running slowly 1. Clear the mobile app cache 2. Close the background APP running 3. factory settings