| Hardware and OS Samsung Galaxy A21 |
| Operating System: | Android v10 (Q) |
| Processor: | Octa core, 2.3 GHz |
| Architecture: | 64 bit |
| RAM: | 3 GB |
| Internal Memory: | 32 GB |
| Expandable Memory: | yes Up to 512 GB |
| SIM Slot(s): | Dual SIM, GSM GSM |
| Display Samsung Galaxy A21 |
| Screen Size: | 6.5 inches (16.51 cm) |
| Screen Resolution: | 720 x 1600 pixels |
| Display Type: | Super AMOLED |
| Pixel Density: | 270 ppi |
| Aspect Ratio: | 20:9 |
| Touch Screen: | yes Capacitive Touchscreen, Multi-touch |
| Main Camera Samsung Galaxy A21 |
| Resolution: | 16 MP Primary Camera
8 MP, Wide Angle, Ultra-Wide Angle Camera
2 MP, Macro Camera
2 MP, Depth Camera |
| Image Resolution: | 4616 x 3464 Pixels |
| Flash: | yes LED Flash |
| Camera Features: | Digital Zoom, Auto Flash, Face detection, Touch to focus |
| Autofocus: | yes |
| Shooting Modes: | Continuos Shooting, High Dynamic Range mode (HDR) |
| Settings: | Exposure compensation, ISO control |
| Front Camera Samsung Galaxy A21 |
| Resolution: | 13 MP Primary Camera
|
| Connectivity Samsung Galaxy A21 |
| Network: | 4G: Available ,
3G: Available, 2G: Available |
| SIM Size: | SIM1: Nano, SIM2: Nano |
| Bluetooth: | yes v5.0 |
| GPS: | yes with A-GPS, Glonass |
| VoLTE: | yes |
| Wi-Fi: | yes Wi-Fi 802.11, b/g/n |
| Wi-Fi Features: | Mobile Hotspot |
| USB Connectivity: | Mass storage device, USB charging |
| Multimedia Samsung Galaxy A21 |
| Audio Jack: | 3.5 mm |
| Loudspeaker: | yes |
| Design Samsung Galaxy A21 |
| Build Material: |
Back: Plastic |
| Colours: | Black |
| Battery Samsung Galaxy A21 |
| Type: | Li-ion |
| Capacity: | 4000 mAh |
| User Replaceable: | No |
| Quick Charging: | yes Fast, 15W |
| Quick Charging: | yes |
| USB Type-C: | yes |
| Features Samsung Galaxy A21 |
| Fingerprint Sensor: | yes |
| Fingerprint Sensor Position: | Rear |
| Other Sensors: | Light sensor, Proximity sensor, Accelerometer |
