UMIDIGI A7S OS: Android 10 GO SIM Card: Dual Nano SIM (2 + 1 slots, Dual SIM slot + Dedicated slot for Expanded Memory(4G Dual SIM, both cards CANNOT access 4G connectivity simultaneously)) Display: 6.53" 20:09 Waterdrop Display RAM: 2GB LPDDR3 ROM: 32GB Front camera: 8MP Rear camera: 13MP+8MP+2MP, F/1.8 Battery: 4150 mAh Other features: Infrared Temperature Sensor,face Unlock,Global Version, Type-C, Dual 4G Network, OTG Sensor:Infrared Temperature Sensor, Proximity Sensor, Ambient Light Sensor, Accelerometer , Gyroscope, Electronic?CompassBluetooth: Bluetooth 4.0, Bluetooth HIDWLAN: 2.4GHz/5GHz, IEEE802.11 a/b/g/nNFC: NORear Camera: 13MP ultra wide triple camera 13MP primary camera, F/1.8, 6-element lens 8MP ultra wide angle camera, FOV 120° 2MP depth camera Features: Ultra wide-angle mode, Portrait mode, Dual LED flash, Face recognition Rear camera video features: 720p video recording, 30fps Front camera: 8MP front camera F/1.8 aperture, 5-element lens Features: Face recognition, Selfie countdown Front camera video features: 720p video recording, 30fps Network: 4G: FDD?B1 /2 /3 /4 /5 /7 /8 /17 /18 /19 /20 /28A /28B TDD?B40 /41 3G: WCDMA:B1 /2 /4 /5 /8 2G: GSM: B2 /B3 /B5 /B8 Language: English, Bahasa Indonesia, Bahasa Melayu, Cestina, Dansk, Deutsch, Espanol, Filipino, French, Hrvatski, latviesu,lietuviu,Italiano, Magyar, Nederlands, Norsk, Polish, Portuguese, Romana, Slovencina, Suomi, Svenska, Tieng viet, Turkish, Greek, Bulgarian, Russian, Ukrainian, Hebrew, Arabic, Thai, Khmer, Korean, Simplified/Traditional Chinese