LG K31 features a 5.7-inch HD+ Notch FullVision display with a screen Resolution of 720 x 1520 pixels and 18.9:9 aspect ratio. It comes with a rear-mounted fingerprint scanner.
The smartphone is powered by an octa-core MediaTek MT6762 Processor along with 2GB RAM and 32GB internal memory. The storage can be further expanded up to 32GB via microSD card slot. There is a dedicated Google Assistant button on the left side
On the camera front, the smartphone features a dual-camera setup with a 13-megapixel sensor with f/1.8 Aperture and 5-megapixel Ultra-wide sensor with f/2.2 aperture. For the front, there is a 5-megapixel shooter with f/2.2 aperture for selfies and video calling.
| Type | HD+, 18.9:9 aspect ratio |
| Resolution | 720 x 1520 pixels |
| Screen Size | 5.7 inches |
| Processor | Octa Core 2.3 GHz, MediaTek Helio P22 MT6762 |
| Operating System | Android 10 |
| RAM | 2 GB |
| Internal Memory | 32 GB |
| Expandable | 32 GB, via Micro SD card |
| Rear Camera | 13MP + 5MP, Dual Cameras- 13-megapixel primary lens and a 5-megapixel super wide-angle lens. |
| Front Camera | 5 MP |
| Image Stablizer | No |
| Flash | Yes, LED |
| Video Recording | Yes |
| Design | Bar |
| Weight | 146 grams |
| Capacity | 3000 mAh |
| Radio | Yes |
| Media Player | Yes, MP3/ WMA/AAC/AAC+/WAV/AC3/AAC-LC, AMR-NB, WMA, WAV |
| Video Player | Yes, DivX, WMV, MP4, H.264/H.263 |
| Network | 2G |
| GSM/CDMA | GSM |
| Bluetooth | 5.0 |
| WiFi | Yes, 802.11 b, g, n |
| Internet | EDGE |
| GPS | With A-GPS |
| USB | Micro |
| HDMI | No |
| Headphone Connector | 3.5 mm |
| SIM | Dual |
| NFC | No |
| Sensors | |
| Warrenty | 1 Year |
| Dustproof | No |
| Shockproof | Yes |
| Water Resistant | No |
| Keypad | Touchscreen |
| Water Proof | No |