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LG Viper 4G LTE LS840
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Phone Insight
Full Specifications September 5, 2026
LG Viper 4G LTE LS840 Android 2.3
LG · 2012

LG Viper 4G LTE LS840

LG Viper 4G LTE LS840 Android smartphone. Announced Jan 2012. Features 4.0″ display, 5 MP primary camera, 1700 mAh battery, 4 GB storage, 1000 MB RAM.

Display 4.0"
RAM 1 GB
Storage 4GB storage, microSDHC slot
Camera 5 MP
Battery 1700 mAh
OS Android 2.3
Build 142g, 11.7mm thickness

Launch

Announced 2012, January. Released 2012, April
Status Discontinued

Platform

OS Android 2.3 (Gingerbread)
CPU Dual-core 1.2 GHz
GPU Adreno 220

Display

Type TFT
Size 4.0 inches, 45.5 cm 2 (~62.8% screen-to-body ratio)
Resolution 480 x 800 pixels, 5:3 ratio (~233 ppi density)

Memory

Card slot microSDHC (dedicated slot), 4 GB included
Internal 4GB (1.7GB user available), 1GB RAM

Main Camera

Single 5 MP, AF
Features LED flash
Video 1080p@30fps

Selfie camera

Single VGA

Body

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

Battery

Type Removable Li-Ion 1700 mAh battery
Talk time Up to 7 h

Sound

Loudspeaker Yes
3.5mm jack Yes

Comms

WLAN Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot, DLNA
Bluetooth 3.0, A2DP
Positioning GPS, A-GPS
NFC Yes
Radio No
USB microUSB 2.0

Network

Technology CDMA / EVDO / LTE
2G bands CDMA 800 / 1900
3G bands CDMA2000 1xEV-DO
4G bands 25
Speed EV-DO Rev.A 3.1 Mbps, LTE

Features

Sensors Accelerometer, proximity, compass
featuresother MP4/H.264/WMV player MP3/WAV/WMA/eAAC+ player Document viewer Organizer Voice memo/dial Predictive text input (Swype)

Misc

Colors Black
SAR 1.05 W/kg (head)     1.16 W/kg (body)
Phone Insight phoneinsight.org/ Printed September 5, 2026

For live pricing, photos, and comparisons, visit phoneinsight.org/phones/lg-viper-4g-lte-ls840/

In depth

Full specifications

Announced 2012, January. Released 2012, April
Status Discontinued
OS Android 2.3 (Gingerbread)
CPU Dual-core 1.2 GHz
GPU Adreno 220
Type TFT
Size 4.0 inches, 45.5 cm 2 (~62.8% screen-to-body ratio)
Resolution 480 x 800 pixels, 5:3 ratio (~233 ppi density)
Card slot microSDHC (dedicated slot), 4 GB included
Internal 4GB (1.7GB user available), 1GB RAM
Single 5 MP, AF
Features LED flash
Video 1080p@30fps
Single VGA
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
Type Removable Li-Ion 1700 mAh battery
Talk time Up to 7 h
Loudspeaker Yes
3.5mm jack Yes
WLAN Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot, DLNA
Bluetooth 3.0, A2DP
Positioning GPS, A-GPS
NFC Yes
Radio No
USB microUSB 2.0
Technology CDMA / EVDO / LTE
2G bands CDMA 800 / 1900
3G bands CDMA2000 1xEV-DO
4G bands 25
Speed EV-DO Rev.A 3.1 Mbps, LTE
Sensors Accelerometer, proximity, compass
featuresother MP4/H.264/WMV player MP3/WAV/WMA/eAAC+ player Document viewer Organizer Voice memo/dial Predictive text input (Swype)
Colors Black
SAR 1.05 W/kg (head)     1.16 W/kg (body)
Price About 140 EUR
PhoneInsight Benchmark
26.8/100
Entry-level

A specs-derived composite score, not a lab benchmark -- useful for ranking and comparison.

Processor 20.5
Display 51.5
Camera 39.3
Battery 34.4
408,997 hitsTotal views
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