Note30 Plus 5.72in Dual Cards Dual Standby Smartphone 512MB+4GB(Violet ) Item Type: Smartphone Material: ABS+Glass Color: As Pictures Shown  Weight: Approx. 303g/10.7ozModel: Note30 Plus Screen: 5.72 inch HD full screen Resolution: 480x960 CPU: MTK6572 System: for Android 4.4.2 Memory: 512MB Storage: 4GB Memory card support: maximum support for 128GB extension (support to install 2 micro SIM cards) SIM Card Type: 3G (WCDMA850/2100,GSM4 frequency dual card dual standby) Support simultaneous installation of 2 micro SIM card Front camera: 0.3MP, f/2.0 aperture, fixed focal length Rear camera: 2MP (color, f/1.8 aperture) autofocus Features: Face recognition, WIFI+BT+FM+GPSInterface: 1x3.5mm, 1xMicroUSB Battery type: 1650mAh lithium battery How e:1. Long press the power button in the upper right corner to power on2. Each application shall operate according to the corresponding prompts 3. Long press the power button in the upper right corner to shut down