Taking things up a notch, the Galaxy A21 is built for those looking for upgrades in their smartphone essentials, with a 6.5” HD+ Infinity-O display[7] and a quad-camera with a 16MP main camera and ultra wide, depth and macro lenses for more creative photography. It’s powered by a 4,000mAh battery that lets users charge up in a flash with 15W Fast Charge support
| Height | 6.61 inches |
| Width | 3.02 inches |
| Depth | 0.32 inches |
| Weight | 6.81 ounces |
| Operating System | Android |
| Operating System Version Number | 10 |
| Display Width | 720 pixels |
| Display Height | 1600 pixels |
| Display Size | 6.5 inches |
| Pixel Density | 270 ppi |
| Display Technology | IPS LCD |
| Front Camera Resolution | 8 megapixels |
| Rear Camera Resolution | 16 megapixels |
| Rear Camera Features | Auto-Focus |
| Second Rear Camera Resolution | 5 megapixels |
| Second Rear Camera Features | Ultra-wide |
| Third Rear Camera Resolution | 2 megapixels |
| Third Rear Camera Features | Macro |
| Battery Type | Lithium Polymer |
| Battery Capacity | 4000 mAh |
| Processor | Arm-Cortex-A53 |
| Processing Cores | Octa |
| Processor Speed | 2.3 GHz |
| GPU | PowerVR GE8320 |
| System Memory | 4 GB |
| Memory Format | LPDD4 |
| Built-in Storage | 64 GB |
| Expandable Memory Type | MicroSDXC |
| Wi-Fi Connectivity | Yes |
| Wi-Fi Hotspot Capability | Yes |
| NFC | Yes |
| Wireless Charging | Yes |
| Charging Port | USB Type-C |
| Bluetooth Version | 5 |
| LTE | Yes |
| GSM | Yes |
| TDMA | Yes |
| CDMA | Yes |
| Global Roaming | Yes |
| Accelerometer | Yes |
| Ambient Light | Yes |
| Barometer | Yes |
| Digital Compass | Yes |
| Gyroscope | Yes |
| Temperature & Humidity | Yes |
| Gesture | Yes |
| Unlocking Features | Fingerprint Scanner |
| Hearing Aid Compatibility | Yes |
| Digital TTY/TDD | Yes |
