| Hardware and OS LG K40 |
| Operating system: | Android 8.1 (Oreo) |
| Processor: | Octa-core 2.0 GHz Cortex-A53 |
| Chipset: | Mediatek MT6762 Helio P22 (12 nm) |
| GPU: | PowerVR GE8320 |
| Internal memory: | 32 GB, 2/3 GB RAM |
| External memory: | microSD, up to 512 GB (dedicated slot) |
| Display LG K40 |
| Type: | IPS LCD |
| Size: | 5.7" inc |
| Resolution: | 720 x 1440 px |
| Touchscreen: | capacitive touchscreen |
| Screen-to-Body Ratio: | 76.2% |
| Display area: | 83.8 cm2 |
| Display aspect ratio: | 18:9 (height:width) |
| Pixel Density: | 282 PPI |
| Colors: | 16M |
| Connectivity LG K40 |
| 2G Network: | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) |
| 3G Network: | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network: | LTE |
| Wi-Fi: | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot |
| Network: | GSM / HSPA / LTE |
| SIM card: | Single SIM (Nano-SIM)Dual SIM (Nano-SIM, dual stand-by) |
| Bluetooth: | 5.0, A2DP, LE |
| Edge: | Yes |
| GPRS: | Yes |
| GPS: | Yes, with A-GPS |
| Speed: | HSPA, LTE-A |
| USB: | microUSB 2.0 |
| Camera LG K40 |
| Main camera: | 16 MP,
Single |
| Specs: | 16 MP, f/2.0, PDAF |
| Features: | LED flash, panorama, HDR |
| Features: | LED flash |
| Video: | 1080p@30fps |
| Selfie camera: | 8 MP,
Single |
| Specs: | 8 MP, f/2.0 |
| Multimedia LG K40 |
| 3.5 mm Jack: | Yes |
| Radio: | FM radio |
| Design LG K40 |
| Colors: | Black, Platinum, Blue |
| Body build: | Front glass, plastic body |
| Dimensions: | 153 x 71.9 x 8.3 mm |
| Weight: | 150 g |
| Battery LG K40 |
| Battery capacity: | 3000 mAh, Non-removable Li-Ion |
| Other LG K40 |
| Release date: | 2019, February |
| Sensors: | Fingerprint (rear-mounted), accelerometer, proximity |
