| Hardware and OS LG K4 |
| Operating system: | Android 5.1.1 (Lollipop) |
| Processor: | Quad-core 1.0 GHz Cortex-A53 - K120E, K130E Quad-core 1.1 GHz Cortex-A7 - K121 |
| Chipset: | Mediatek MT6735M - K120E, K130E Qualcomm MSM8909 Snapdragon 210 (28 nm) - K121 |
| Internal memory: | 8GB 1GB RAM |
| External memory: | microSDHC (dedicated slot) |
| GPU: | Mali-T720MP2 - K120E, K130E Adreno 304 - K121 |
| Display LG K4 |
| Size: | 4.5 inches, 55.8 cm2 |
| Resolution: | 480 x 854 pixels, 16:9 ratio |
| Type: | IPS LCD capacitive touchscreen, 16M colors |
| Main Camera LG K4 |
| Camera: | 5 MP, f/2.8, AF |
| Features: | LED flash |
| Video: | 720p@30fps |
| Selfie camera LG K4 |
| Camera: | 2 MP, f/2.8 |
| Connectivity LG K4 |
| 2G Network: | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) |
| 3G Network: | HSDPA 850 / 900 / 2100 - K130E |
| 4G Network: | LTE band 1(2100), 3(1800), 7(2600), 8(900), 20(800) - K120E |
| Bluetooth: | 4.1, A2DP, LE |
| CDMA: | HSDPA 850 / 900 / 1900 / 2100 - K120E |
| CDMA: | HSDPA 850 / 1700(AWS) / 1900 - K121 |
| CDMA: | LTE band 3(1800), 7(2600), 20(800) - K130E |
| CDMA: | LTE - K121 |
| GPS: | Yes, with A-GPS, GLONASS |
| Speed: | HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Technology: | GSM / HSPA / LTE |
| USB: | microUSB 2.0 |
| WLAN: | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| Multimedia LG K4 |
| 3.5 mm Jack: | Yes |
| Loudspeaker: | Yes |
| Radio: | FM radio, RDS |
| Battery LG K4 |
| Capacity: | Removable Li-Ion 1940 mAh battery |
| Stand-by: | Up to 510 h (2G) / Up to 500 h (3G) |
| Talk time: | Up to 20 h (2G) / Up to 9 h (3G) |
| Design LG K4 |
| Colors: | White, Indigo |
| Dimensions: | 131.9 x 66.7 x 8.9 mm (5.19 x 2.63 x 0.35 in) |
| Weight: | 120 g (4.23 oz) |
| SIM: | Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by) |
| Features LG K4 |
| Sensors: | Accelerometer, proximity |