| Brand: | Samsung |
| Model: | Galaxy A31 |
| Type: | Smartphone |
| Release Date: | 2020, March 24 |
| Size: | 6.4 inches, 98.9 cm2 (~84.9% screen-to-body ratio) |
| Resolution: | 1080 x 2400 pixels, 20:9 ratio (~411 ppi density) |
| Technology: | Super AMOLED |
| Main Features: | LED flash, panorama, HDR |
| Main Video: | 1080p@30fps |
| Selfie Specs: | 20 MP, f/2.2, (wide) |
| Selfie Video: | 1080p@30fps |
| Capacity: | Li-Po 5000 mAh, non-removable |
| Type: | Li-Po |
| Chipset: | Mediatek MT6768 Helio P65 (12nm) |
| Ram: | 4GB |
| Storage: | 64GB |
| Expandable: | microSDXC (dedicated slot) |
| Os Version: | 2.5 |
| Dimensions: | 159.3 x 73.1 x 8.6 mm (6.27 x 2.88 x 0.34 in) |
| Weight: | 185 g (6.53 oz) |
| Wifi: | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| Bluetooth: | 5.0, A2DP, LE |
| Nfc: | Yes |
| Usb: | USB Type-C 2.0, USB On-The-Go |
| Headphone Jack: | Yes |
| Network: | GSM / HSPA / LTE |
| Sensors: | Fingerprint (under display, optical), accelerometer, gyro, compass |
| Colors: | Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White |