| Brand: | Samsung |
| Model: | Galaxy A31 |
| Type: | Smartphone |
| Release Date: | 2020 |
| Size: | 6.4 inches, 98.9 cm2 |
| Resolution: | 1080 x 2400 pixels, 20:9 ratio (~411 ppi density) |
| Technology: | Super AMOLED |
| Main Specs: | 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 123˚, (ultrawide), 1/4.0", 1.12µm 5 MP (macro) Auxiliary lens |
| Main Features: | LED flash, panorama, HDR |
| Main Video: | 1080p@30fps |
| Selfie Specs: | 20 MP, f/2.2, (wide) |
| Selfie Video: | 1080p@30fps |
| Capacity: | 5000 mAh |
| Type: | Li-Po |
| Charging: | 15W wired |
| Fast Charging: | 15W |
| Chipset: | Mediatek MT6768 Helio P65 (12 nm) |
| Cpu: | Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55) |
| Gpu: | Mali-G52 MC2 |
| Ram: | 4GB |
| Storage: | 64GB |
| Expandable: | microSDXC (dedicated slot) |
| Os: | Android 10, upgradable to Android 12, One UI 4.1 |
| Os Version: | 10 |
| 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) |
| Sim: | · Nano-SIM· Nano-SIM + Nano-SIM |
| Wifi: | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Bluetooth: | 5.0, A2DP, LE |
| Nfc: | Yes (market/region dependent) |
| Usb: | USB Type-C 2.0, OTG |
| 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 |
| Os Family: | Android |
| Os Launch Version: | 10 |
| Os Max Version: | 12 |
