2021 Hot Sale Smartphone Android Telephone s21 ultra 5.0INCH 3G Smartphone Deca Core 512MB ROM 4GB RAM Feature： 5.0-inch high-definition full screen: The s21ultra model has a 5.0inch 1532*720 high-definition full screen, and the four corners are designed as U-shaped to make it softer and smoother 2200 mAh large battery: Although thin, the s21 ultra model can carry a 2200 mAh large battery; the lithium polymer battery can be used for a whole day Fluent operation, powerful performance: Supported by MTK6572 GHz dual-core processor, and runs on Android OPERATING SYSTEM 5.1 Display: 5.0 inches 1532*720 high-definition full screen, 2.5D capacitive screen to bring you a more comfortable gaming experienc Earphone: 3.5 earphone, Mirco 5pin data cable Frequency: 2G: GSM850/900/1800/1900MHz; 3G: WCDMA850/2100 Specifications: Unlock phone: yes Operating system: Android 5.1 Processor: MTK6572 Number of cores: dual core Frequency: 2G: GSM850/900/1800/1900MHz; 3G: WCDMA850/2100 Dual SIM card dual standby: Nano-SIM card + Nano-SIM card + memory card Screen: Display:5.0 inches Capacitance type: Capacitive screen Headphones: C-type headphones, C-type data cable Cellular: GSM / WCDMA / LTE Network: Frequency 2G: GSM850 / 900/1800 / 1900MHz 2G: GSM850/900/1800/1900MHz,3G: WCDMA850/2100 Memory Capacity:Memory: 512MB ROM; 4GB RAM Card expansion: Micro SD Maximum expansion capacity: 128GB Front camera: 2MP Rear camera: 2.0MP Support Flash lamp with LED flash WLAN: Support, WLAN hot spot, 802.11b/g/n Bluetooth: Bluetooth4.0 GPS: Built-in GPS, support A-GPS G sensor: support Packet included: 1x mobile phone 1x charging cable 1x earphone 1XUS Plug 1x rubber cover