After-sales service Our products have a one-year quality guarantee. If you have purchased a smart phone in our store, and your smart phone has any problems, please feel free to contact our center for help, we will reply you within 24 hours. Specification: Name: 5G smart phone Battery: 6800 mAh RAM: 16GB ROM: 512GB Operating system: Android 11 Screen size: 6.7 inches Rear camera: 50MP, front camera: 32MP SIM: Dual SIM (Nano + Nano) Does it include batteries/batteries? Yes Practical functions: compass, WIFI, hotspot, Bluetooth 5.0, face recognition, FM radio, email, flashlight, etc. Package Content: 1 x Smartphone unlock 1 x power adapter 1 x User Manual 1 x USB data cable 1 x earphone 1 x SIM pin 1 x protective film (pre-installed) 1 x mobile phone case