Samsung Galaxy A31 Full Specifications
| First Release | April 2020 |
| Colors | Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White |
| Connectivity | |
|---|---|
| Network | 2G, 3G, 4G |
| SIM | Dual Nano SIM |
| WLAN | ✅ dual-band, Wi-Fi direct, Wi-Fi hotspot |
| Bluetooth | ✅ v5.0, A2DP, LE |
| GPS | ✅ A-GPS, GLONASS, Galileo, BDS |
| Radio | ✅ FM |
| USB | v2.0 |
| OTG | ✅ |
| USB Type-C | ✅ |
| Body | |
| Style | Minimal Notch |
| Material | Glass front, plastic body |
| Water Resistance | ✖ |
| Dimensions | 159.3 x 73.1 x 8.6 millimeters |
| Weight | 185 grams |
| Display | |
| Size | 6.4 inches |
| Resolution | Full HD+ 1080 x 2400 pixels (411 ppi) |
| Technology | Super AMOLED Touchscreen |
| Protection | ✖ |
| Features | Multitouch |
| Back Camera | |
| Resolution | Quad 48+8+5+5 Megapixel |
| Features | PDAF, ultrawide, macro, depth, LED flash, HDR & more |
| Video Recording | Ultra HD (2160p) |
| Front Camera | |
| Resolution | 20 Megapixel |
| Features | F/2.2 |
| Video Recording | Full HD (1080p) |
| Battery | |
| Type and Capacity | Lithium-polymer 5000 mAh (non-removable) |
| Fast Charging | ✅ 15W Fast Charging |
| Performance | |
| Operating System | Android 10 (One UI 2) |
| Chipset | MediaTek Helio P65 (12 nm) |
| RAM | 4 / 6 GB |
| Processor | Octa core, up to 2.0 GHz |
| GPU | Mali-G52 |
| Storage | |
| ROM | 64 / 128 GB |
| MicroSD Slot | ✅ up to 512 GB |
| Sound | |
| 3.5mm Jack | ✅ |
| Features | Loudspeaker |
| Security | |
| Fingerprint | ✅ In-display (optical) |
| Face Unlock | ✅ |
| Others | |
| Notification Light | |
| Sensors | Fingerprint, Accelerometer, Gyro, Proximity, E-Compass |
| Manufactured by | Samsung |
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