| Local Name | Viper 4G LTE LS840 |
| Additional Information | For Sprint |
| Technology | CDMA / EVDO / LTE |
| 4G Bands | LTE band 25(1900) |
| 3G Bands | CDMA2000 1xEV-DO |
| 2G Bands | CDMA 800 / 1900 |
| Speed | EV-DO Rev.A 3.1 Mbps, LTE |
| GPRS | No |
| EDGE | No |
| Announced | 2012, January |
| Status | Available. Released 2012, April |
| 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 |
| Display Type | TFT capacitive touchscreen, 16M colors |
| Screen Size | 4.0 inches (~62.8% screen-to-body ratio) |
| Resolution | 480 x 800 pixels (~233 ppi pixel density) |
| Mulitouch | Yes |
| OS | Android OS, v2.3 (Gingerbread) |
| CPU | Dual-core 1.2 GHz |
| GPU | Adreno 220 |
| Card Slot | microSD, up to 32 GB, 4 GB included |
| Internal Memory | 4 GB (1.7 GB user available), 1 GB RAM |
| Primary Camera | 5 MP, 2592 х 1944 pixels, autofocus, LED flash |
| Camera Features | Geo-tagging |
| Video | 1080p |
| Secondary Camera | VGA |
| Alert Types | Vibration; MP3, WAV ringtones |
| Loudspeaker | Yes |
| 3.5mm Jack | Yes |
| WLAN | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot, DLNA |
| Bluetooth | v3.0, A2DP |
| GPS | Yes, with A-GPS |
| NFC | Yes |
| Radio | No |
| USB | microUSB v2.0 |
| Sensors | Accelerometer, proximity, compass |
| Messaging | SMS (threaded view), MMS, Email, Push Email, IM |
| Browser | HTML, Adobe Flash |
| Java | Yes, via Java MIDP emulator |
| Features Summary | MP4/H.264/WMV player, MP3/WAV/WMA/eAAC+ player, Document viewer, Organizer, Voice memo/dial, Predictive text input (Swype) |
| Battery | Li-Ion 1700 mAh battery |
| Talk Time | Up to 7 h |
| Colors | Black |
| SAR US | 1.05 W/kg (head) 1.16 W/kg (body) |
