| Name | Samsung Galaxy M31s |
| Brand | Samsung |
| Model | Galaxy M31s |
| Category | Smartphone |
| Network Type | GSM / HSPA / LTE |
| Network 2G | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| Network 3G | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| Network 4G | LTE |
| Speed | HSPA, LTE-A |
| GPRS | Yes |
| EDGE | Yes |
| Launch Announcement | 2020, July |
| Launch Date | Exp. Release 2020, August |
| Network Sim | Dual SIM (Nano-SIM, Dual stand-by) |
| Display Type | Super AMOLED capacitive touchscreen, 16M Colors |
| Display Size | 6.5 inches |
| Display Resolution | 1080 x 2400 pixels, 20:9 ratio |
| Display Multitouch | Yes |
| Display Density | 405 ppi density |
| Operating System | Android |
| OS Version | 10 (Ten) |
| User Interface (ui) | One UI 2.0 |
| CPU | Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) |
| GPU | Mali-G72 MP3 |
| Chipset | Exynos 9611 (10nm) |
| Memory Internal | 128 GB |
| Memory External | No |
| Ram | 6 GB, 8 GB |
| Primary Camera | 64 MP, (wide) |
| 12 MP, (ultrawide) | |
| 5 MP, (macro) | |
| 5 MP, (depth) | |
| Secondary Camera | 32 MP |
| Camera Features | LED Flash, Panorama, HDR |
| Video | 4K@30fps, 1080p@30fps |
| Audio | Yes |
| Loudspeaker | Yes |
| 3.5mm Jack | Yes |
| WiFi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, Hotspot |
| Bluetooth | 5.0, A2DP, LE |
| USB | 2.0, Type-C 1.0 reversible connector |
| Fm Radio | Yes |
| GPS | Yes, with A-GPS |
| Sensors | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass |
| Messaging | Yes |
| Java | No |
| Battery Type | Non-removable Li-Po Battery |
| Battery Capacity | 6000 mAh |
| Charging | Fast Charging 25W |
| Made By | Koria |