| Hardware and OS LG K40S | 
| Operating system: | Android 9.0 (Pie) | 
| Processor: | Octa-core 2.0 GHz Cortex-A53 | 
| Chipset: | Mediatek MT6762 Helio P22 (12 nm) | 
| GPU: | PowerVR GE8320 | 
| Internal memory: | 32GB 2GB RAM, 32GB 3GB RAM | 
| External memory: | microSD, up to 1 TB (dedicated slot) | 
| Display LG K40S | 
| Type: | IPS LCD | 
| Size: | 6.1" inc | 
| Resolution: | 720 x 1520 px | 
| Touchscreen: | capacitive touchscreen | 
| Screen-to-Body Ratio: | 80.4% | 
| Display area: | 92.9 cm2 | 
| Display aspect ratio: | 19:9 (height:width) | 
| Pixel Density: | 276 PPI | 
| Colors: | 16M | 
| Connectivity LG K40S | 
| 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 band 1(2100), 3(1800), 7(2600), 8(900), 20(800) | 
| Wi-Fi: | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, 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, GLONASS | 
| NFC: | Yes | 
| Speed: | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps | 
| USB: | microUSB 2.0, USB On-The-Go | 
| Camera LG K40S | 
| Main camera: | 13 MP, 
 Dual | 
| Specs: | 13 MP, f/2.2, 26mm (wide), PDAF -5 MP, (ultrawide)
 | 
| Features: | LED flash, panorama, HDR | 
| Video: | 1080p@30fps | 
| Selfie camera: | 13 MP,
 Single | 
| Specs: | 13 MP, f/2.0 | 
| Video: | 1080p@30fps | 
| Multimedia LG K40S | 
| 3.5 mm Jack: | Yes | 
| Radio: | No | 
| Design LG K40S | 
| Colors: | New Aurora Black, New Moroccan Blue | 
| Dimensions: | 156.3 x 73.9 x 8.6 mm | 
| Battery LG K40S | 
| Battery capacity: | 3500 mAh,  Non-removable Li-Po | 
| Other LG K40S | 
| Release date: | 2019, August | 
| Sensors: | Fingerprint (rear-mounted), accelerometer, proximity |