| Hardware and OS | LG Viper 4G LTE LS840 | |
| Operating system | Android 2.3 (Gingerbread) | |
| Processor | Dual-core 1.2 GHz | |
| Internal memory | 4GB (1.7GB user available), 1GB RAM | |
| External memory | microSDHC (dedicated slot), 4 GB included | |
| GPU | Adreno 220 | |
| Display | LG Viper 4G LTE LS840 | other phones |
| Size | 4.0 inches, 45.5 cm2 | |
| Resolution | 480 x 800 pixels, 5:3 ratio | |
| Type | TFT capacitive touchscreen, 16M colors | |
| Main Camera | LG Viper 4G LTE LS840 | other phones |
| Camera | 5 MP, AF | |
| Features | LED flash | |
| Video | 1080p@30fps | |
| Selfie camera | LG Viper 4G LTE LS840 | other phones |
| Camera | VGA | |
| Connectivity | LG Viper 4G LTE LS840 | other phones |
| 2G Network | CDMA 800 / 1900 | |
| 3G Network | CDMA2000 1xEV-DO | |
| 4G Network | LTE band 25(1900) | |
| Bluetooth | 3.0, A2DP | |
| GPS | Yes, with A-GPS | |
| NFC | Yes | |
| Speed | EV-DO Rev.A 3.1 Mbps, LTE | |
| Technology | CDMA / EVDO / LTE | |
| USB | microUSB 2.0 | |
| WLAN | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot, DLNA | |
| Multimedia | LG Viper 4G LTE LS840 | other phones |
| 3.5 mm Jack | Yes | |
| Loudspeaker | Yes | |
| Radio | No | |
| Battery | LG Viper 4G LTE LS840 | other phones |
| Capacity | Removable Li-Ion 1700 mAh battery | |
| Talk time | Up to 7 h | |
| Design | LG Viper 4G LTE LS840 | other phones |
| Colors | Black | |
| Dimensions | 117 x 62 x 11.7 mm (4.61 x 2.44 x 0.46 in) | |
| Weight | 142 g (5.01 oz) | |
| SIM | Mini-SIM | |
| Features | LG Viper 4G LTE LS840 | other phones |
| Sensors | Accelerometer, proximity, compass | |
